Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652806 | Method of producing a sputtering target | Yukio Ide, Hiroko Iwasaki, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +2 more | 2003-11-25 |
| 6548137 | Phase-change optical recording medium and recording method and apparatus for the same | Kazunori Ito, Michiharu Abe, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki +2 more | 2003-04-15 |
| 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, Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Hiroshi Deguchi +2 more | 2003-01-07 |