Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39901 | Initialization of phase-change optical recording medium | Kyohji Hattori, Fumiya Ohmi, Kenichi Aihara, Katsuyuki Yamada, Yuki Nakamura +3 more | 2007-10-30 |
| 6445669 | Initialization of phase-change optical recording medium | Kyohji Hattori, Fumiya Ohmi, Kenichi Aihara, Katsuyuki Yamada, Yuki Nakamura +3 more | 2002-09-03 |
| 4659644 | Diazo-type thermosensitive recording material with hydrazone coupler and chelating metal compound | Takayuki Hoshina, Masanori Rimoto, Masanaka Nagamoto | 1987-04-21 |