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 51–75 of 83 patents

Patent #TitleCo-InventorsDate
6586790 Semiconductor device and method for manufacturing the same Hiroyuki Kanaya, Iwao Kunishima, Tsuyoshi Iwamoto, Hiroshi Mochizuki 2003-07-01
6586793 Ferroelectric memory and manufacturing method thereof Keitaro Imai 2003-07-01
6516509 Method of manufacturing a liquid jet head having a plurality of movable members Takayuki Ono, Tsuyoshi Orikasa, Toshio Kashino, Hiroyuki Kigami, Kimiyuki Hayasaki +4 more 2003-02-11
6377358 Method for correcting a recording head, correction apparatus therefor, recording head corrected by use of such apparatus, and recording apparatus using such recording head Kimiyuki Hayasaki, Tsuyoshi Orikasa, Hiroyuki Kigami, Hisashi Fukai, Takayuki Ono +2 more 2002-04-23
6351006 Ferroelectric capacitor with means to prevent deterioration Osamu Arisumi, Katsuhiko Hieda, Tsunetoshi Arikado, Hideyuki Kanai 2002-02-26
6349239 Method for manufacturing a liquid jet recording head Tsuyoshi Orikasa, Hiroyuki Kigami, Kimiyuki Hayasaki, Hisashi Fukai, Takayuki Ono +1 more 2002-02-19
6328427 Method of producing a wiring substrate Kenjiro Watanabe 2001-12-11
6325482 Method and apparatus for correcting printhead, printhead corrected by this apparatus, and printing apparatus using this printhead Kimiyuki Hayasaki, Yutaka Koizumi, Tsuyoshi Orikasa, Hiroyuki Kigami, Hisashi Fukai +2 more 2001-12-04
6170939 Liquid storing container for recording apparatus Toshihiko Ujita, Masanori Takenouchi, Sadayuki Sugama, Kenjiro Watanabe, Torachika Osada +6 more 2001-01-09
5969413 Semiconductor device having a tab chip on a tape carrier with lead wirings provided on the tape carrier used as external leads Keiichi Yano, Kazuo Kimura, Hironori Asai, Jun Monma, Mitsuyoshi Endo +1 more 1999-10-19
5907187 Electronic component and electronic component connecting structure Kaoru Koiwa, Kiyoshi Iyogi, Takaaki Yasumoto, Nobuo Iwase 1999-05-25
5821627 Electronic circuit device Miki Mori, Yukio Kizaki, Takaaki Yasumoto, Masayuki Saito, Tatsuro Uchida +3 more 1998-10-13
5781213 Liquid storing container having filter interface for recording apparatus Toshihiko Ujita, Masanori Takenouchi, Sadayuki Sugama, Kenjiro Watanabe, Torachika Osada +6 more 1998-07-14
5714801 Semiconductor package Keiichi Yano, Jun Kudo, Kiyoshi Iyogi 1998-02-03
5652608 Ink jet recording head, ink jet recording head cartridge, recording apparatus using the same and method of manufacturing the head Kenjiro Watanabe 1997-07-29
5622769 Ceramic circuit board having a thermal conductivity substrate Shoji Kozuka, Masaru Hayashi, Katsuyoshi Oh-Ishi, Takaaki Yasumoto, Nobuo Iwase +3 more 1997-04-22
5606352 Ink jet cartridge having a can filtered ink supply member and ink jet apparatus including the same Takahisa Kawamura, Teruo Arashima 1997-02-25
5589862 Liquid storing container for recording apparatus Toshihiko Ujita, Masanori Takenouchi, Sadayuki Sugama, Kenjiro Watanabe, Torachika Osada +6 more 1996-12-31
5583549 Liquid storing container for recording apparatus Toshihiko Ujita, Masanori Takenouchi, Sadayuki Sugama, Kenjiro Watanabe, Torachika Osada +6 more 1996-12-10
5517445 Non-volatile semiconductor memory device capable of electrically performing read and write operation and method of reading information from the same Motomasa Imai, Kazuhide Abe, Hiroshi Toyoda, Yoshiko Kohanawa, Mitsuo Harata 1996-05-14
5412160 Circuit board Takaaki Yasumoto, Nobuo Iwase, Kaoru Koiwa, Kiyoshi Iyogi 1995-05-02
5400275 Semiconductor memory device using ferroelectric capacitor and having only one sense amplifier selected Kazuhide Abe, Hiroshi Toyoda, Motomasa Imai, Koji Sakui 1995-03-21
D352058 Printing head body for printer Hidemi Kubota, Toshihiko Ujita, Kenjiro Watanabe, Torachika Osada, Kazuhiro Nakajima +4 more 1994-11-01
5341161 Ink recorder including a sealing member for an ink storage section Takahisa Kawamura, Teruo Arashima 1994-08-23
5326623 Circuit board Kaoru Koiwa, Takaaki Yasumoto, Kiyoshi Iyogi, Nobuo Iwase 1994-07-05