Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660452 | Optical information memory medium and display recording method using the same | Kenichi Aihara, Kyohji Hattori, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima +1 more | 2003-12-09 |
| 6652806 | Method of producing a sputtering target | Yukio Ide, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 2003-11-25 |
| 6580672 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda +2 more | 2003-06-17 |
| 6555196 | Optical data recording medium and material for heat-resistant protection layer for the same | — | 2003-04-29 |
| 6503592 | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium | Katsuyuki Yamada, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more | 2003-01-07 |