Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934877 | Diaphragm blade, method of manufacturing the same, and light quantity controller having the same | Chikara Aoshima, Makoto Miyawaki | 2011-05-03 |
| 7901732 | Production process of light amount adjustment member, light amount adjustment member, light amount adjustment device and photographing apparatus | Masataka Yashima, Ichiro Onuki, Takeshi Miyazaki, Akio Kashiwazaki | 2011-03-08 |