Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11709337 | Optical article | Takuya Shimada, Terufumi Hamamoto, Teruo Yamashita, Tsuyoshi Watanabe | 2023-07-25 |
| 7981506 | Plastic lens and method of manufacturing a plastic lens | Shuji Naito, Hidenori Komai, Jun Kinoshita, Katsuyoshi Takeshita | 2011-07-19 |
| 7854508 | Plastic lens and manufacturing method of plastic lens | Mikito Nakajima, Katsuyoshi Takeshita, Jun Kinoshita, Shuji Naito, Koichi Takahama +4 more | 2010-12-21 |
| 7572513 | Lens and method of manufacturing lens | Jun Kinoshita | 2009-08-11 |
| 5183870 | Composition for plastic lenses | Hiroshi Fukushima, Akira Motonaga, Eriko Suda, Mikito Nakajima, Katsuyoshi Takeshita | 1993-02-02 |