Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329166 | Evaporative treatment method for aqueous solution | Junji Mizutani, Yo Fujimoto, Yoshiyuki Hatano | 2019-06-25 |
| 4647174 | Focus detecting and/or focus adjustment method | Tokuichi Tsunekawa, Kazuya Hosoe, Takao Kinoshita, Takashi Kawabata, Shinji Sakai | 1987-03-03 |
| 4402468 | Film takeup spool for camera | Nobuo Tezuka | 1983-09-06 |
| 4346970 | Focus detecting device | Takashi Kawabata, Tokuichi Tsunekawa, Kazuya Hosoe, Takao Kinoshita, Shinji Sakai | 1982-08-31 |
| 4280151 | High speed image recording system | Tokuichi Tsunekawa, Toshio Sakane | 1981-07-21 |