AY

Akira Yoshikawa

TU Tohoku University: 15 patents #17 of 1,680Top 2%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
TO Tokuyama: 9 patents #27 of 562Top 5%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
AK Asahi Kasei Kabushiki Kaisha: 4 patents #111 of 1,220Top 10%
TC Tohoku Techno Arch Co.: 4 patents #4 of 193Top 3%
PS Piezo Studio: 3 patents #1 of 16Top 7%
NP Nippon Telegraph And Telephone Public: 3 patents #61 of 842Top 8%
Tdk: 2 patents #1,902 of 3,796Top 55%
CA Ca: 2 patents #377 of 1,424Top 30%
NU National University Corporation Nagoya University: 2 patents #92 of 782Top 15%
NI Ngk Insulators: 2 patents #947 of 2,083Top 50%
TC Toppan Printing Co.: 2 patents #414 of 1,467Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NT NTT: 2 patents #2,095 of 4,871Top 45%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
FC Furukawa Co.: 2 patents #22 of 90Top 25%
RL Rank Xerox Limited: 1 patents #5 of 31Top 20%
NC Nihon Kessho Kogaku Co.: 1 patents #7 of 13Top 55%
NI Nkg Insulators: 1 patents #1 of 20Top 5%
OU Osaka University: 1 patents #681 of 1,984Top 35%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
SC Stella Chemifa: 1 patents #47 of 80Top 60%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
TS Tokai University Educational System: 1 patents #30 of 138Top 25%
CK Calsonic Kansei: 1 patents #307 of 675Top 50%
📍 Rifu, JP: #25 of 2,101 inventorsTop 2%
Overall (All Time): #36,717 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
5009038 Automatic chamfering machine Setsuo Torikai 1991-04-23
4982939 Clamp device for shaped bodies Tsunezo Takeuchi 1991-01-08
4824780 Method for producing hydroquinone Hiroko Sato 1989-04-25
4753047 Transferring and loading device for honeycomb structures Akira Nishio 1988-06-28
4738916 Intermediate layer material of three-layer resist system Hideo Namatsu 1988-04-19
4615782 Intermediate layer material of three-layer resist system and method of forming resist pattern Hideo Namatsu 1986-10-07
4434224 Method of pattern formation Akitsu Takeda, Osamu Ochi, Tomoko Hisaki, Yoshihiko Mizushima 1984-02-28
4396448 Decorative laminate and a manufacturing method therefor Kazuhiko Ohta 1983-08-02
4367110 Decorative laminate and a manufacturing method therefor 1983-01-04
4350541 Doping from a photoresist layer Yoshihiko Mizushima, Akitsu Takeda, Osamu Ochi, Tomoko Hisaki 1982-09-21
4320191 Pattern-forming process Osamu Ochi, Tomoko Hisaki, Yoshihiko Mizushima 1982-03-16
4193680 Transfer sheet drying device for electrophotographic copying machine Kouichi Aota 1980-03-18