Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974100 | Racket and grommet | Naoto Ogawa, Hitoshi Kato, Tsutomu Takahashi | 2021-04-13 |
| 10840620 | Socket | Hiroshi Shimoyama | 2020-11-17 |
| 10406406 | Grommet and racket | Naoto Ogawa, Ryoichi Hanawa, Toru Hiraga | 2019-09-10 |
| 10398051 | Socket having a terminal unit assembly accommodated within a recess of a frame member | — | 2019-08-27 |
| 7072272 | Diffraction type optical pickup lens and optical pickup apparatus using the same | Kaneyoshi Yagi, Toshiaki Katsuma | 2006-07-04 |
| 6542314 | Objective lens for optical recording media and optical pickup apparatus using the same | Toshiaki Katsuma | 2003-04-01 |
| 6342976 | Luminous flux diameter variable type objective lens and optical apparatus using the same | Yoshimitsu Nomura, Kaneyoshi Yagi | 2002-01-29 |