Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550310 | Touch sensing device | Hisashi Yamaguchi, Toru Asano, Kazuhiro Takahara, Shizuo Andoh | 1985-10-29 |
| 4523189 | El display device | Kazuhiro Takahara, Hiroyuki Gondo, Kenichi Oki, Shoshin Miura | 1985-06-11 |
| 4458244 | Self shift type gas discharge panel driving system | Hisashi Yamaguchi, Kazuo Yoshikawa | 1984-07-03 |
| 4456909 | Method and circuit for selectively driving capacitive display cells in a matrix type display | Kazuhiro Takahara, Hisashi Yamaguchi | 1984-06-26 |
| 4368467 | Display device | Tomoyuki Unotoro, Kunihiro Tanikawa, Hisashi Yamaguchi, Yuichiro Ito, Yoshihiro Miyamoto | 1983-01-11 |