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 151–174 of 174 patents

Patent #TitleCo-InventorsDate
4710854 Hybrid multilayer wiring board Minoru Yamada, Motoyo Wajima, Akira Masaki, Keiichirou Nakanishi, Katuo Sugawara 1987-12-01
4673720 Electroconductive polymer and process for preparation thereof Kiichiro Matsumura, Jun Tsukamoto 1987-06-16
4666736 Highly electroconductive graphite continuous filament and process for preparation thereof Kiichiro Matsumura, Jun Tsukamoto 1987-05-19
4628092 Triethylenediamine containing acetylenic alcohols as flow aids Robert G. Petrella 1986-12-09
4607094 Thermosetting resin composition from aromatic cyanamide Katuo Sugawara, Masahiro Ono, Ritsuro Tada, Motoyo Wajima, Toshikazu Narahara +1 more 1986-08-19
4587162 Resin composition and laminate produced therefrom comprising a cyclized polybutadiene and a prepolymer of a isocyanuric or cyanuric acid derivative Akira Nagai, Katuo Sugawara, Masahiro Ono, Ritsuro Tada, Motoyo Wajima +1 more 1986-05-06
4546168 Thermosetting resin composition comprising (1) dicyanamide, (2) polyvalent imide and (3) polymerizable compound Takeshi Shimazaki, Motoyo Wajima, Hirosada Morishita 1985-10-08
4537950 Polyvinylene sulfide and polyvinylene selenide Shu Kambara, Tatsumi Arakawa 1985-08-27
4526835 Multi-layer printed circuit board and process for production thereof Takeshi Shimazaki, Motoyo Wajima, Hirosada Morishita 1985-07-02
4486583 Heat-resistant resin from aromatic cyanamide compound and aromatic amine compound Masahiro Ono, Ritsuro Tada, Motoyo Wajima, Hirosada Morishita 1984-12-04
4482703 Thermosetting resin composition comprising dicyanamide and polyvalent imide Takeshi Shimazaki, Motoyo Wajima, Hirosada Morishita 1984-11-13
4477284 Demolition agent for demolishing brittle materials Jun Isogai, Seiichi NAKAYA, Akira Saitou, Isao Yagi 1984-10-16
4455257 Cationic reaction product of kraft lignin with aldehyde and polyamine Henry W. Hoftiezer, Daniel J. Watts 1984-06-19
4435560 Maleimide: aryloxy diamine resin composition and process for producing same Moloyo Wajima, Akio Nishikawa, Hirosada Morishita 1984-03-06
4400438 Process for producing fire retardant and heat resistant copper-clad laminated board, and varnish therefor Yutaka Itoh, Takeshi Shimazaki, Motoyo Wajima, Hirosada Morishita, Yutaka Mizuno +2 more 1983-08-23
4393188 Thermosetting prepolymer from polyfunctional maleimide and bis maleimide Motoyo Wajima, Ritsuro Tada, Hirosada Morishita, Yutaka Mizuno, Shunya Yokozawa +1 more 1983-07-12
4346206 Imide prepolymer from reaction of epoxy compound with bis-imide/diamine reaction mixture Yutaka Itoh, Takeshi Shimazaki, Motoyo Wajima, Hirosada Morishita, Yutaka Mizuno +2 more 1982-08-24
4337572 Device for manufacture of assembled cam shaft Chiaki Tsumuki, Hitoshi Nakamura, Juro Ozaki 1982-07-06
4320036 Ligno-novolak resin molding compositions Riad Gobran, Eugene P. Reilly 1982-03-16
4296219 Bismide-ether compounds, compositions thereof, and method of producing same Yutaka Itoh, Motoyo Wajima, Hirosada Morishita, Akio Nishikawa 1981-10-20
4283522 Process for preparing thermosetting prepolymer from mixture of polyfunctional maleimide and bis-maleimide Yutaka Itoh, Motoyo Wajima, Hirosada Morishita, Kenji Tsukanishi 1981-08-11
4265388 Process for manufacture of assembled cam shaft Chiaki Tsumuki, Hitoshi Nakamura, Juro Ozaki 1981-05-05
4236923 Method of metallurgically joining a fitting to a shaft Chiaki Tsumuki, Hitoshi Nakamura 1980-12-02
4206291 Polyester modifiers for vinyl halide polymers Geoffrey H. Smith, George C. Hopkins 1980-06-03