SY

Shuji Yonekubo

SE Seiko Epson: 37 patents #340 of 7,774Top 5%
Overall (All Time): #89,170 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6190006 Ink-jet recording head Norihiko Kurashima, Katsuhiro Okubo 2001-02-20
6074033 Device for driving inkjet print head Tomohiro Sayama 2000-06-13
5923351 Vibrating plate for an ink jet recording head which causes ink to be discharged from a pressure chamber when vibrated by a vibrator Satoru Hosono, Takahiro Naka, Satoshi Shinada, Minoru Usui 1999-07-13
5880763 Ink jet recording head with head frame and piezoelectric vibration elements having configuration for suppressing stress in flow path unit Yuji Tanaka, Koji Morikoshi 1999-03-09
5684520 Ink jet recording head in which an actuator is offset from a center of an effective displacement region of a vibration plate Koji Morikoshi, Yuji Tanaka, Norihiko Kurashima 1997-11-04
5539982 Method of manufacturing an ink jet recording head Satoru Hosono, Takahiro Naka, Satoshi Shinada, Minoru Usui 1996-07-30
5510816 Method and apparatus for driving ink jet recording head Satoru Hosono, Tomoaki Abe, Tsuyoshi Kitahara, Takahiro Katakura 1996-04-23
5471232 Ink jet recording head Satoru Hosono, Takahiro Naka, Satoshi Shinada 1995-11-28
5426454 Ink jet type recording head driving circuit Satoru Hosono, Tomoaki Abe, Minoru Usui, Masahiko Yoshida 1995-06-20
5424769 Ink jet recording head Shinri Sakai, Atsushi Kobayashi, Takahiro Naka, Toyohiko Mitsuzawa, Satoshi Shinada 1995-06-13
5184155 Ink jet print head Tsuyoshi Kitahara, Tatsuo Furuta, Takahiro Katakura, Naomi Serizawa 1993-02-02
4962391 Ink jet printer head Tsuyoshi Kitahara, Hideki Morozumi, Koichi Higashimura, Masanao Matsuzawa 1990-10-09