Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12327579 | Inspection device | Shinji Ueyama, Ingi Kim, Tomoki Onishi | 2025-06-10 |
| 11796608 | Magnetic property measurement apparatus | Shinji Ueyama, Tomoki Onishi | 2023-10-24 |
| 9903705 | Apparatus for focus control and method for manufacturing semiconductor device | Kwang Soo Kim, Kwang-Jun Yoon, Sung Won Park, Young-Duk Kim, Heon Ju Shin +1 more | 2018-02-27 |
| 9256061 | Focus control apparatus and method | Mitsuhiro Togashi | 2016-02-09 |
| 7440373 | Optical disk drive detecting disk surface deviation | — | 2008-10-21 |
| 7411886 | Device and method of recording information on an optical disc | Yuichiro Tomishima | 2008-08-12 |
| 7057989 | Device and method of recording information on an optical disc | Yuichiro Tomishima | 2006-06-06 |
| 6999402 | Device and method of recording information on an optical disc | Yuichiro Tomishima | 2006-02-14 |
| 6791923 | Device and method of recording information on an optical disc | Yuichiro Tomishima | 2004-09-14 |
| 6154338 | Recording/reproducing apparatus | Shinkichi Sasaki | 2000-11-28 |
| 5978339 | Recording/reproducing apparatus with a buffer member used for mounting a mechanism body | Shinkichi Sasaki, Takashi Nakai | 1999-11-02 |
| 5940245 | Door opening-and-closing mechanism of recording/reproducing apparatus | Shinkichi Sasaki, Jun Chiba | 1999-08-17 |
| 5796547 | Disk cartridge and drive mechanism thereof | Masao Ohkita | 1998-08-18 |
| 5220550 | Optical beam system for optical disk drives | Masaru Nakayama, Ichiro Morishita | 1993-06-15 |