Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703751 | Reflective mask blank and reflective mask | Hiroshi Hanekawa, Yoichi SERA, Sadatatsu Ikeda | 2023-07-18 |
| 11150550 | Reflective mask blank and reflective mask | Hiroshi Hanekawa, Yoichi SERA, Sadatatsu Ikeda | 2021-10-19 |
| 7187506 | Actuator device, optical disk device, and information playback device | Youichi Maehara, Kazuhisa Ide, Nobuo Jikuya | 2007-03-06 |
| 6984914 | Motor having characteristic structure in armature and disc apparatus | Hirohiko Oowaki, Kensei Fukuda, Fuminobu Furukawa | 2006-01-10 |
| 6577579 | Disc drive apparatus of slot loading type | Yoshinobu Soeda, Junichi Mutoh, Hideru Goto, Nobuo Jikuya, Minoru Nagata +1 more | 2003-06-10 |
| 6181663 | Disk apparatus with sliding tray and lock arm for preventing sliding tray movement | Hideru Goto, Masayuki Shiwa | 2001-01-30 |