Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624581 | Composition for production of metal film, method for producing metal film and method for producing metal powder | Tetsu Yamakawa, Noriaki Oshima, Takahiro Kawabata, Tomoyuki Kinoshita | 2017-04-18 |
| 6855479 | Phase-change optical recording media | Hitoshi Iigusa | 2005-02-15 |
| 6804189 | Near field optical recording medium | Koyata Takahashi, Koji Katayama, Tatsuo Kawasaki, Kenichi Sekimoto, Toru Futami +1 more | 2004-10-12 |
| 6802073 | Magneto-optical recording medium | Koyata Takahashi, Keiichiro Nishizawa | 2004-10-05 |