Search

Tu Ba Hoang

Supervisory Patent Examiner (ID: 7481, Phone: (571)272-4780 , Office: P/3742 )

Most Active Art Unit
3761
Art Unit(s)
3742, 2106, 2832, 3761
Total Applications
2049
Issued Applications
1536
Pending Applications
181
Abandoned Applications
331

Applications

Application numberTitle of the applicationFiling DateStatus
07/695232 PROCESS FOR PREPARING POLYCRYSTALLINE CBN CERAMIC MASSES AND RESULTING PRODUCT May 1, 1991 Abandoned
07/690656 OPTICAL MOLDINGS MADE FROM SILICON NITRIDE, AND A PROCESS FOR THEIR PRODUCTION Apr 23, 1991 Abandoned
Array ( [id] => 2810572 [patent_doc_number] => 05085923 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Heat-conductive aluminum nitride sintered body and method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 7/686658 [patent_app_country] => US [patent_app_date] => 1991-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6247 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/085/05085923.pdf [firstpage_image] =>[orig_patent_app_number] => 686658 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/686658
Heat-conductive aluminum nitride sintered body and method of manufacturing the same Apr 16, 1991 Issued
Array ( [id] => 2899625 [patent_doc_number] => 05217949 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Superconductors' [patent_app_type] => 1 [patent_app_number] => 7/685637 [patent_app_country] => US [patent_app_date] => 1991-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3454 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/217/05217949.pdf [firstpage_image] =>[orig_patent_app_number] => 685637 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/685637
Superconductors Apr 15, 1991 Issued
90/002309 GRINDING WHEEL WITH COMBINATION OF FUSED AND SINTERED ABRASIVE GRITS Mar 27, 1991 Issued
Array ( [id] => 2839826 [patent_doc_number] => 05160712 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Lithium transition metal oxide' [patent_app_type] => 1 [patent_app_number] => 7/675693 [patent_app_country] => US [patent_app_date] => 1991-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5609 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/160/05160712.pdf [firstpage_image] =>[orig_patent_app_number] => 675693 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/675693
Lithium transition metal oxide Mar 26, 1991 Issued
Array ( [id] => 2853569 [patent_doc_number] => 05112779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'High density silicon carbide sintered bodies from borosiloxanes' [patent_app_type] => 1 [patent_app_number] => 7/674005 [patent_app_country] => US [patent_app_date] => 1991-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15702 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/112/05112779.pdf [firstpage_image] =>[orig_patent_app_number] => 674005 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/674005
High density silicon carbide sintered bodies from borosiloxanes Mar 24, 1991 Issued
Array ( [id] => 2853528 [patent_doc_number] => 05149465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Conductive resin composition' [patent_app_type] => 1 [patent_app_number] => 7/674381 [patent_app_country] => US [patent_app_date] => 1991-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3020 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/149/05149465.pdf [firstpage_image] =>[orig_patent_app_number] => 674381 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/674381
Conductive resin composition Mar 24, 1991 Issued
Array ( [id] => 2909905 [patent_doc_number] => 05227347 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Sintered product for making sheath used for continuous thin plate molding apparatus and sheath using the same' [patent_app_type] => 1 [patent_app_number] => 7/667919 [patent_app_country] => US [patent_app_date] => 1991-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3899 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/227/05227347.pdf [firstpage_image] =>[orig_patent_app_number] => 667919 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/667919
Sintered product for making sheath used for continuous thin plate molding apparatus and sheath using the same Mar 10, 1991 Issued
Array ( [id] => 2839531 [patent_doc_number] => 05171721 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-15 [patent_title] => 'Ceramic green sheet for porous layer, electrochemical element using the green sheet, and method of producing the element' [patent_app_type] => 1 [patent_app_number] => 7/666734 [patent_app_country] => US [patent_app_date] => 1991-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7368 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/171/05171721.pdf [firstpage_image] =>[orig_patent_app_number] => 666734 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/666734
Ceramic green sheet for porous layer, electrochemical element using the green sheet, and method of producing the element Mar 7, 1991 Issued
Array ( [id] => 2734891 [patent_doc_number] => 05077243 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Fiber-reinforced and particle-dispersion reinforced mullite composite material and method of producing the same' [patent_app_type] => 1 [patent_app_number] => 7/668676 [patent_app_country] => US [patent_app_date] => 1991-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7990 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/077/05077243.pdf [firstpage_image] =>[orig_patent_app_number] => 668676 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/668676
Fiber-reinforced and particle-dispersion reinforced mullite composite material and method of producing the same Mar 6, 1991 Issued
Array ( [id] => 2784775 [patent_doc_number] => 05093286 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-03 [patent_title] => 'Semiconductor-containing glass and method of producing the same' [patent_app_type] => 1 [patent_app_number] => 7/626577 [patent_app_country] => US [patent_app_date] => 1991-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19820 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/093/05093286.pdf [firstpage_image] =>[orig_patent_app_number] => 626577 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/626577
Semiconductor-containing glass and method of producing the same Mar 3, 1991 Issued
Array ( [id] => 2905513 [patent_doc_number] => 05236628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Noble metal and solid-phase lubricant composition and electrically conductive interconnector' [patent_app_type] => 1 [patent_app_number] => 7/661872 [patent_app_country] => US [patent_app_date] => 1991-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3614 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/236/05236628.pdf [firstpage_image] =>[orig_patent_app_number] => 661872 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/661872
Noble metal and solid-phase lubricant composition and electrically conductive interconnector Feb 26, 1991 Issued
Array ( [id] => 2891484 [patent_doc_number] => 05177036 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-05 [patent_title] => 'Ceramic material' [patent_app_type] => 1 [patent_app_number] => 7/623988 [patent_app_country] => US [patent_app_date] => 1991-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2432 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/177/05177036.pdf [firstpage_image] =>[orig_patent_app_number] => 623988 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/623988
Ceramic material Feb 19, 1991 Issued
07/657299 COATING FOR FORMING AN OXIDE COATING Feb 18, 1991 Abandoned
Array ( [id] => 2751041 [patent_doc_number] => 05071794 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Porous dielectric compositions' [patent_app_type] => 1 [patent_app_number] => 7/641811 [patent_app_country] => US [patent_app_date] => 1991-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5999 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/071/05071794.pdf [firstpage_image] =>[orig_patent_app_number] => 641811 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641811
Porous dielectric compositions Jan 15, 1991 Issued
Array ( [id] => 2782869 [patent_doc_number] => 05102465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Filler for polyester molding compound and method' [patent_app_type] => 1 [patent_app_number] => 7/641223 [patent_app_country] => US [patent_app_date] => 1991-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4960 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/102/05102465.pdf [firstpage_image] =>[orig_patent_app_number] => 641223 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641223
Filler for polyester molding compound and method Jan 14, 1991 Issued
Array ( [id] => 2834600 [patent_doc_number] => 05120686 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Method of preparing a polysilazane' [patent_app_type] => 1 [patent_app_number] => 7/638171 [patent_app_country] => US [patent_app_date] => 1991-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2329 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120686.pdf [firstpage_image] =>[orig_patent_app_number] => 638171 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/638171
Method of preparing a polysilazane Jan 6, 1991 Issued
Array ( [id] => 2921243 [patent_doc_number] => 05200372 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-06 [patent_title] => 'Method for production of high-pressure phase sintered article of boron nitride for use in cutting tool and sintered article produced by the method' [patent_app_type] => 1 [patent_app_number] => 7/635985 [patent_app_country] => US [patent_app_date] => 1990-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5611 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/200/05200372.pdf [firstpage_image] =>[orig_patent_app_number] => 635985 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/635985
Method for production of high-pressure phase sintered article of boron nitride for use in cutting tool and sintered article produced by the method Dec 30, 1990 Issued
Array ( [id] => 2783427 [patent_doc_number] => 05154985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Battery with a spare battery' [patent_app_type] => 1 [patent_app_number] => 7/633559 [patent_app_country] => US [patent_app_date] => 1990-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 2473 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/154/05154985.pdf [firstpage_image] =>[orig_patent_app_number] => 633559 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633559
Battery with a spare battery Dec 23, 1990 Issued
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