Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899943 | Glass substrate for magnetic disk and method for manufacturing | Hiroshi Ikeda, Takeo Watanabe | 2005-05-31 |
| 6576353 | Glass substrate for use as information recording medium and method of manufacturing such glass substrate | Kazuishi Mitani, Yasuhiro Saito, Koichi Ataka, Akihiro Koyama, Junji Kurachi +1 more | 2003-06-10 |
| 6553788 | Glass substrate for magnetic disk and method for manufacturing | Hiroshi Ikeda, Takeo Watanabe | 2003-04-29 |
| 6550278 | Method of manufacturing glass substrate for use as information recording medium | Kazuishi Mitani, Yasuhiro Saito, Koichi Ataka, Akihiro Koyama, Junji Kurachi +1 more | 2003-04-22 |
| 6547980 | Glass substrate for information recording medium, manufacturing method thereof, and information recording medium | Junji Kurachi, Akihiro Koyama, Nobuyuki Yamamoto, Yasuhiro Saito, Kazuishi Mitani +1 more | 2003-04-15 |
| 6475599 | Substrate for information recording media | Yasuhiro Saito, Kazuishi Mitani, Tatsuro Umeyama, Kazuaki Kanai | 2002-11-05 |
| 6440531 | Hydrofluoric acid etched substrate for information recording medium | Junji Kurachi, Akihiro Koyama, Nobuyuki Yamamoto, Yasuhiro Saito, Kazuishi Mitani +1 more | 2002-08-27 |
| 6408189 | Radio communication system and computer program product for controlling an operation of the radio communication system | Kenzo Nakamura, Mototaka Ishikawa | 2002-06-18 |
| 6132843 | Glass substrate for magnetic disks | Yasunao Kuroda, Shinya Katayama, Akihiro Koyama, Jyunji Kurachi | 2000-10-17 |
| 6073503 | Cam device | Toru Miyajima, Michio Ueda | 2000-06-13 |
| 5638479 | Optical part | Manabu Takami, Noboru Akazawa, Atsunori Matsuda, Shinya Katayama, Toshio Tsuno | 1997-06-10 |
| 5234717 | Process for producing a minute-patterned substrate | Atsunori Matsuda, Shinya Katayama | 1993-08-10 |
| 4810547 | Substrate with fine grooves and method for manufacturing the same | Tsutomu Minami, Noboru Tohge, Shinya Katayama | 1989-03-07 |