AT

Akio Takahashi

HI Hitachi: 65 patents #133 of 28,497Top 1%
Honda Motor Co.: 22 patents #513 of 21,052Top 3%
HC Hitachi Chemical Company: 17 patents #55 of 1,946Top 3%
PE Pentax: 17 patents #102 of 761Top 15%
AK Asahi Kogaku Kogyo K.K.: 10 patents #1 of 180Top 1%
Brother Kogyo: 9 patents #920 of 2,767Top 35%
TC Tatsuta Electric Wire & Cable Co.: 7 patents #10 of 100Top 10%
Yamaha: 6 patents #432 of 2,001Top 25%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
Air Products And Chemicals: 2 patents #793 of 1,997Top 40%
HC Hitachi Powdered Metals Co.: 2 patents #73 of 246Top 30%
GC Gc: 2 patents #101 of 306Top 35%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
HP Hooker Chemicals & Plastics: 1 patents #31 of 117Top 30%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
PC Powdertech Co.: 1 patents #38 of 66Top 60%
RL Reed Lignin: 1 patents #6 of 14Top 45%
SE Seiko Instruments & Electronics: 1 patents #72 of 164Top 45%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
AC American Can: 1 patents #135 of 262Top 55%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
TC Toray Thiokol Co.: 1 patents #4 of 15Top 30%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Applied Materials: 1 patents #4,780 of 7,310Top 70%
DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
CH Chisso: 1 patents #468 of 833Top 60%
📍 Kyoto, NY: #1 of 13 inventorsTop 8%
Overall (All Time): #4,560 of 4,157,543Top 1%
174
Patents All Time

Issued Patents All Time

Showing 126–150 of 174 patents

Patent #TitleCo-InventorsDate
5206052 Electroless plating process Akishi Nakaso, Kaoru Oginuma, Takeshi Shimazaki 1993-04-27
5156327 Procedure for molding composite materials Syoji Shimizu, Takayuki Tsuzuku 1992-10-20
5098971 Fluorine-containing thermosetting resin Akira Nagai, Shin Nishimura, Masamichi Maruta, Akihiro Fukui 1992-03-24
5080965 Prepreg from poly(p-hydroxystyrene), epoxy-modified polybutadiene and maleimide Katuo Sugawara, Junichi Katagiri, Akira Nagai, Masahiro Ono, Toshikazu Narahara 1992-01-14
5065285 Multi-layer circuit board, method of manufacturing the same and application thereof Akira Nagai, Katuo Sugawara, Masahiro Suzuki, Junichi Katagiri 1991-11-12
D320616 Laser printer 1991-10-08
5045381 Thermosetting resin composition, printed circuit board using the resin composition and process for producing printed circuit board Masao Suzuki, Junichi Katagiri, Akira Nagai, Masahiro Suzuki 1991-09-03
5041478 Resin composition for printed circuit board Katuo Sugawara, Masahiro Ono, Toshikazu Narahara 1991-08-20
5021296 Circuit board and process for producing the same Yoshihiro Suzuki, Toshinari Takada, Masahiro Suzuki, Haruo Akahoshi, Akira Nagai +4 more 1991-06-04
5008040 Process for preparation of polyacetylene film Jun Tsukamoto 1991-04-16
4970107 Composite article comprising a copper element and a process for producing it Haruo Akahoshi, Kanji Murakami, Yoshihiro Suzuki, Akira Nagai, Kiyonori Kogawa 1990-11-13
4946734 Resin composition for printed circuit board and such board formed by use thereof Katuo Sugawara, Masahiro Ono, Toshikazu Narahara 1990-08-07
4933228 Thermosetting resin and prepreg and laminate using the same Junichi Katagiri, Akira Nagai, Keiko Tawara, Motoyo Wajima, Toshikazu Narahara +1 more 1990-06-12
4931507 Composition comprising poly(p-hydroxystrene) derivative, epoxy-modified polybutadiene and aromatic maleimide Katuo Sugawara, Junichi Katagiri, Akira Nagai, Masahiro Ono, Toshikazu Narahara 1990-06-05
D306869 Pair of binoculars 1990-03-27
D306606 Pair of binoculars Toshimasa Yamanaka, Takenao Shishikura 1990-03-13
4899673 Control device for cyclic sewing machine Mamoru Yasuda 1990-02-13
4886858 Thermosetting resin and prepreg and laminate using the same Junichi Katagiri, Akira Nagai, Keiko Tawara, Motoyo Wajima, Toshikazu Narahara +1 more 1989-12-12
4859774 Flowable triethylenediamine Robert G. Petrella, Joel Schwartz 1989-08-22
4816547 Process for producing carbon dichalcogenide homopolymer and homopolymer produced thereby Jun Tsukamoto, Kiichiro Matsumura 1989-03-28
4808475 Highly electroconductive graphite continuous filament and process for preparation thereof Kiichiro Matsumura, Jun Tsukamoto 1989-02-28
4784917 Thermosetting resin composition and laminate and process for the production thereof Keiko Tawara, Akira Nagai, Katuo Sugawara, Masahiro Ono, Ritsuro Tada +2 more 1988-11-15
4778625 Electroconductive polymer and process for preparation thereof Kiichiro Matsumura, Jun Tsukamoto 1988-10-18
4752862 Electronic device Hitoshi Ochiai 1988-06-21
4738900 Thermo-setting, polymerizable composition and wiring board Masahiro Ono, Katuo Sugawara, Ritsuro Tada, Akira Nagai, Motoyo Wajima +1 more 1988-04-19