TU

Toshiki Usui

SE Seiko Epson: 31 patents #478 of 7,774Top 7%
SC Screen Holdings Co.: 2 patents #326 of 686Top 50%
Overall (All Time): #116,341 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
6217159 Ink jet printing device Koji Morikoshi, Tsuyoshi Kitahara, Kaoru Momose, Noriaki Okazawa, Masahiko Yoshida +2 more 2001-04-17
6113226 Laminated ink jet recording head resolving residual vibration problems in the common ink chamber by setting the natural resonance and driving frequency ranges Takahiro Katakura, Tomoaki Abe 2000-09-05
5956829 Method of manufacturing an ink jet recording head Kohei Kitahara, Tomoaki Abe, Keiichi Mukaiyama 1999-09-28
5856837 Ink jet recording head with vibrating element having greater width than drive electrode Kohei Kitahara, Tomoaki Abe, Keiichi Mukaiyama 1999-01-05
5818472 Ink jet recording apparatus Takahiro Katakura, Tomoaki Abe 1998-10-06
5748214 Ink jet recording head Minoru Usui, Kazuhiko Hara, Yoshio Miyazawa, Yuji Tanaka, Fujio Akahane +6 more 1998-05-05