Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9814248 | Photodegradation resistant beverage | Takeshi Imazawa, Yumiko Yoshimura | 2017-11-14 |
| 8270271 | Optical recording medium and information recording method | Takuo Ohishi, Takanobu Matsuba | 2012-09-18 |
| 7403457 | Method and apparatus for recording information with a multi-layer structure | Takuo Ohishi, Takanobu Matsuba | 2008-07-22 |
| 7190652 | Pulse shape modulation and information recording and reproducing technique using pulsed laser beam | — | 2007-03-13 |
| 6866910 | Information recording medium | Hisamitsu Kamezaki | 2005-03-15 |
| 6697312 | Phase-change optical information recording method | — | 2004-02-24 |
| 6562432 | Optical recording medium and method of manufacturing the optical recording medium | Takuo Ohishi, Tohru Yashiro, Yumi Mochizuki | 2003-05-13 |
| 6497935 | Phase-change optical information recording medium | — | 2002-12-24 |
| 6388978 | Optical recording method for a rewritable phase-change optical recording medium | Katsuyuki Yamada, Eiji Noda, Yuki Nakamura, Kenichi Aihara, Hiroko Iwasaki | 2002-05-14 |
| 6280810 | Phase-change information recording medium and optical recording method to make higher rotation rates feasible | Yuki Nakamura, Katsuyuki Yamada, Eiji Noda | 2001-08-28 |