Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9804355 | Lens barrel and optical apparatus | — | 2017-10-31 |
| 8320064 | Lens barrel and optical device including the same | Megumi Musha | 2012-11-27 |
| 8184167 | Optical apparatus having magnet member | — | 2012-05-22 |
| 7551369 | Lens barrel and optical apparatus | Chifuyu Tomita, Youichi Iwasaki, Tomoki Hasegawa | 2009-06-23 |
| 6553185 | Optical apparatus | Masae Miyakawa, Tadanori Okada | 2003-04-22 |
| 4797700 | Diaphragm device | Sadahiko Tsuji | 1989-01-10 |
| 4767200 | Lens mounting | Kazuya Matsuda | 1988-08-30 |
| 4660933 | Lens driving device | Hidefumi Notagashira, Akiyasu Sumi, Makoto Katsuma, Hiroyasu Murakami, Akira Hiramatsu | 1987-04-28 |
| 4491401 | Diaphragm device | Akiyasu Sumi, Hidefumi Notagashira, Makoto Katsuma, Hiroyasu Murakami, Akira Hiramatsu | 1985-01-01 |