Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747807 | Lens barrel | Takuji Hamasaki | 2004-06-08 |
| 6631035 | Varifocal lens barrel and a lens drive mechanism | Takuji Hamasaki | 2003-10-07 |
| 6594088 | Method for molding cam ring with convex cams, molding die assembly, and molded cam ring | Takuji Hamasaki | 2003-07-15 |
| 6552671 | Brush encoder with resilient contact strips | Masao Matsuzaki, Masashi Takahashi | 2003-04-22 |
| 6388826 | Device for adjusting the eccentricity of a lens in a frame | Takuji Hamasaki | 2002-05-14 |
| 6341902 | Photographic lens recognition system for a camera body | Osamu Sato, Satoru Horita, Hisashi Tatamiya, Tomoaki Kobayashi, Hiroaki Suzuki | 2002-01-29 |
| 6333825 | Vari-focal lens | Takuji Hamasaki | 2001-12-25 |
| 6269227 | Lens hood | Takuji Hamasaki, Hiroaki Suzuki, Kazunori Ishizuka, Kazuhiro Hattori | 2001-07-31 |
| 6236523 | Floating lens barrel, lens barrel, and a common lens barrel system | Takuji Hamasaki | 2001-05-22 |
| 6178295 | Lens movement control device | Masahiro Nakata, Osamu Sato | 2001-01-23 |
| 6118601 | Floating lens barrel, lens barrel, and a common lens barrel system | Takuji Hamasaki | 2000-09-12 |
| 5969889 | Lens barrel | Tomoaki Kobayashi | 1999-10-19 |
| 5884110 | Automatic diaphragm apparatus for lens | Masashi Takahashi | 1999-03-16 |