Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801397 | Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device | Hiroki Yamamoto, Takashi Naito, Yasutaka Suzuki, Akira Kato, Noriyuki Takeo +4 more | 2004-10-05 |
| 6790502 | Optically functional element and production method and application therefor | Hiroki Yamamoto, Takashi Naito, Ken Takahashi, Motoyasu Terao, Toshimichi Shintani +5 more | 2004-09-14 |
| 6784538 | Heat transfer structure for a semiconductor device utilizing a bismuth glass layer | Takayoshi Nakamura, Ryuichi Saito, Akihiro Tamba, Takashi Naitou, Hiroki Yamamoto | 2004-08-31 |
| 6768193 | Heat transfer structure for a semiconductor device utilizing a bismuth glass layer | Takayoshi Nakamura, Ryuichi Saito, Akihiro Tamba, Takashi Naitou, Hiroki Yamamoto | 2004-07-27 |
| 6689456 | Magnetic recording medium, a manufacturing method thereof, and a magnetic recording unit using thereof | Tetsuo Nakazawa, Yuzo Kozono, Takashi Naito, Tatsumi Hirano, Hiroki Yamamoto +1 more | 2004-02-10 |