KY

Koji Yamakawa

KT Kabushiki Kaisha Toshiba: 58 patents #261 of 21,451Top 2%
Canon: 16 patents #4,160 of 19,416Top 25%
Infineon Technologies Ag: 9 patents #986 of 7,486Top 15%
NU National University Corporation Nagoya University: 3 patents #53 of 782Top 7%
KC Katagiri Engineering Co.: 3 patents #4 of 11Top 40%
Toshiba Memory: 3 patents #621 of 1,971Top 35%
NC Nu Eco Engineering Co.: 3 patents #5 of 12Top 45%
MU Meijo University: 1 patents #35 of 103Top 35%
Kioxia: 1 patents #1,054 of 1,813Top 60%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
📍 Yokohama, PA: #3 of 19 inventorsTop 20%
Overall (All Time): #21,086 of 4,157,543Top 1%
83
Patents All Time

Issued Patents All Time

Showing 76–83 of 83 patents

Patent #TitleCo-InventorsDate
D348479 Ink cartridge for printer Toshihiko Ujita, Kenjiro Watanabe, Yasuo Kotaki, Kazuhiro Nakazima, Torachika Osada +5 more 1994-07-05
5297077 Memory having ferroelectric capacitors polarized in nonvolatile mode Motomasa Imai, Hiroshi Toyoda, Kazuhide Abe, Hisakazu Iizuka, Mitsuo Harata +1 more 1994-03-22
D338911 Printing head for printer Toshihiko Ujita, Kenjiro Watanabe, Kayomi Sato, Masanori Takenouchi 1993-08-31
D338489 Printing head for printer Toshihiko Ujita, Kenjiro Watanabe, Kayomi Sato, Masanori Takenouchi 1993-08-17
5155573 Ferroelectric capacitor and a semiconductor device having the same Kazuhide Abe, Hiroshi Toyoda, Motomasa Imai, Mitsuo Harata, Koji Sakui 1992-10-13
4970571 Bump and method of manufacturing the same Nobuo Iwase, Michihiko Inaba 1990-11-13
4906341 Method of manufacturing semiconductor device and apparatus therefor Kaoru Koiwa, Nobuo Iwase 1990-03-06
4855251 Method of manufacturing electronic parts including transfer of bumps of larger particle sizes Kiyoshi Iyogi, Nobuo Iwase 1989-08-08