Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11797592 | Document classification method, document classifier, and recording medium | Tsuyoshi Ogomori | 2023-10-24 |
| 7745770 | Light intensity controller and optical pickup device | Yasushi Kobayashi, Masatoshi Yajima | 2010-06-29 |
| 7701826 | Optical disk drive with temperature based control of RF superimposed current | Masatoshi Yajima | 2010-04-20 |
| 6449232 | Disk type determination method | Masaya Kuwahara, Shinichi Yamada, Hiroyuki Yamaguchi, Masuo Maruyama, Masanari Mohri +2 more | 2002-09-10 |
| 6014361 | Beam expander to change an elliptical light beam emitted from a laser source to a circular light beam | Kenji Nagashima, Hiroshi Gotou, Youichi Saitou | 2000-01-11 |
| 5864524 | Lens actuator for dual lens optical disk apparatus having lens mounting base stopper and selected lens sensor | — | 1999-01-26 |
| 4943332 | Method for production of liquid center ball for golf ball | Noriyuki Kaneko, Toshio Saruta, Ryotaro Sawano | 1990-07-24 |