Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012767 | Optical pickup lens, molded optical component, handling method, and mold for optical component | Shogo Yamamoto, Hiroyuki Hattori, Etsuzo Kurihara, Shinichiro Saito, Taichiro Saito +3 more | 2006-03-14 |
| 6894849 | Molded optical component, handling method, and assembling method | Shogo Yamamoto, Hiroyuki Hattori, Etsuzo Kurihara, Shinichiro Saito, Taichiro Saito +3 more | 2005-05-17 |
| 6765732 | Optical pickup lens, molded optical component, handling method, and mold for optical component | Shogo Yamamoto, Hiroyuki Hattori, Etsuzo Kurihara, Shinichiro Saito, Taichiro Saito +3 more | 2004-07-20 |
| 5754504 | Device for recording or reproducing information on an optical recording medium having an objective lens with an astigmatism producing off optical axis minimum total astigmatism position to correct tracking astigmatism | Hiroyuki Yamazaki | 1998-05-19 |
| D294329 | Gas igniter or the like | — | 1988-02-23 |
| D293603 | Gas igniter or the like | — | 1988-01-05 |