Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942647 | Pump for supplying chemical liquids | Katsuya Okumura, Shigenobu Itoh, Kazuhiro Sugata | 2011-05-17 |
| 7766341 | Seal structure, fluid device, integrated valve, and sealing member | Katsuya Okumura, Shoichi Kitagawa, Shigenobu Itoh, Kazuhiro Sugata, Hiroshi Tomita | 2010-08-03 |
| 7262410 | Sample observing apparatus and sample observing method | Masahiro Seyama, Masayuki Kuribara, Toshihiko Hara, Toshimichi Iwai | 2007-08-28 |
| 4646062 | Key input device | — | 1987-02-24 |
| 4527862 | Liquid crystal display keyboard | — | 1985-07-09 |
| D269278 | Desk-top electronic calculator | Eiichi Yoshioka | 1983-06-07 |