Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461736 | Light-colored glass of high transmittance and method for production thereof, glass plate with electrically conductive film and method for production thereof, and glass article | Yukihito Nagashima, Isamu Kuroda, Masahiro Hirata, Masato Hyodo, Koichiro Nakamura | 2002-10-08 |
| 6451720 | Glass composition, and information recording medium substrate, information recording medium, and information recording device each comprising the composition | Shoichi Kishimoto, Hiroyuki Tanaka | 2002-09-17 |
| 6440531 | Hydrofluoric acid etched substrate for information recording medium | Junji Kurachi, Nobuyuki Yamamoto, Yasuhiro Saito, Kazuishi Mitani, Koichi Ataka +1 more | 2002-08-27 |
| 6413892 | Glass substrate for magnetic recording media | Nobuyuki Yamamoto | 2002-07-02 |
| 6399527 | Glass composition and substrate for information recording medium | Shoichi Kishimoto, Junji Kurachi, Nobuyuki Yamamoto | 2002-06-04 |
| 6376403 | Glass composition and process for producing the same | Shoichi Kishimoto, Junji Kurachi, Nobuyuki Yamamoto | 2002-04-23 |
| 6376084 | Glass-ceramics, process for producing the same, and substrate for information recording medium, information recording medium and information recording device each using the glass-ceramics | Shoichi Kishimoto, Hiroyuki Tanaka | 2002-04-23 |
| 6365534 | Glass composition and substrate for information recording media comprising the same | Shoichi Kishimoto, Junji Kurachi, Nobuyuki Yamamoto | 2002-04-02 |
| 6340647 | Glass composition and substrate for information recording media comprising the same | Shoichi Kishimoto, Junji Kurachi, Nobuyuki Yamamoto | 2002-01-22 |