Issued Patents 2003
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665129 | Lens barrel and a zoom lens barrel | Yoshihiro Yamazaki, Isao Okuda, Satoru Nakamura | 2003-12-16 |
| 6661970 | Lens barrel | Takamitsu Sasaki, Kazunori Ishizuka | 2003-12-09 |
| 6661586 | Ring member shift mechanism and lens group shift mechanism | Takamitsu Sasaki, Kazunori Ishizuka, Maiko Takashima | 2003-12-09 |
| 6657794 | Movable lens hood mechanism of a zoom lens | Nobuaki Aoki, Yoshihiro Yamazaki, Satoru Nakamura | 2003-12-02 |
| 6657793 | Lens barrel | Takamitsu Sasaki, Kazunori Ishizuka, Maiko Takashima | 2003-12-02 |
| 6643074 | Lens barrel | Yoshihiro Yamazaki, Isao Okuda, Satoru Nakamura | 2003-11-04 |
| 6636362 | Lens barrel | Yoshihiro Yamazaki, Isao Okuda, Satoru Nakamura | 2003-10-21 |
| 6627356 | Photomask used in manufacturing of semiconductor device, photomask blank, and method of applying light exposure to semiconductor wafer by using said photomask | Daisuke Kawamura | 2003-09-30 |
| 6624955 | Lens barrel | Yoshihiro Yamazaki, Isao Okuda, Satoru Nakamura | 2003-09-23 |
| 6597518 | Zoom lens barrel | Nobuaki Aoki, Yoshihiro Yamazaki, Satoru Nakamura | 2003-07-22 |
| 6570718 | Zoom lens having a cam mechanism | Nobuaki Aoki, Yoshihiro Yamazaki, Satoru Nakamura | 2003-05-27 |
| 6549341 | Mechanism for rotating a cam barrel of a zoom lens | Nobuaki Aoki, Yoshihiro Yamazaki, Satoru Nakamura | 2003-04-15 |
| 6540957 | Ladle, a ladle heating system and methods of heating the ladle | Kazuaki Hara, Kazunari Andachi, Mamoru Suda, Daisuke Takahashi, Nobutaka Goto +2 more | 2003-04-01 |
| 6520691 | Lens barrier opening/closing device of a movable lens barrel | Nobuaki Aoki, Yoshihiro Yamazaki, Satoru Nakamura | 2003-02-18 |
| 6522482 | Zoom lens barrel assembly | Takamitsu Sasaki, Kazunori Ishizuka, Maiko Takashima | 2003-02-18 |
| 6522481 | Cam structure for zoom lens barrel assembly | Takamitsu Sasaki, Kazunori Ishizuka, Maiko Takashima | 2003-02-18 |
| 6522478 | Multi-stage-extension zoom lens barrel assembly | Takamitsu Sasaki, Kazunori Ishizuka, Maiko Takashima | 2003-02-18 |
| 6519096 | Lens barrel | Yoshihiro Yamazaki, Isao Okuda, Satoru Nakamura | 2003-02-11 |