Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777802 | Lens barrel with a cam mechanism comprised of plastic material | Tamotsu Koiwai | 1998-07-07 |
| 5739962 | Lens mount | Yasuo Asakura, Shinya Takahashi, Keita Takahashi | 1998-04-14 |
| 5661609 | Lens mount | Yasuo Asakura, Shinya Takahashi, Keita Takahashi | 1997-08-26 |
| 4273007 | Transmission for agricultural tractor | Hiroshi Itatani, Kenji Matsuda | 1981-06-16 |
| 4214952 | Electrochemical treatment process | Noboru Kasahara | 1980-07-29 |