Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7539109 | Optical disc drive and recording method for optical disc drive | Katsuo Hori, Kenji Takauchi, Toshiya Akagi | 2009-05-26 |
| 4253323 | Method for manufacturing high precision slugs | Kinshiro Murakami, Atsumu Hakoyama, Masakazu Yamazaki, Hisanobu Kanamaru, Akira Tohkairin | 1981-03-03 |