Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514890 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Hideki Kawai, Toshiharu Mori, Kazuhiko Ishimaru | 2003-02-04 |
| 6458729 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2002-10-01 |
| 6458730 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Toshiharu Mori, Hideki Kawai, Akira Sugimoto, Kazuhiko Ishimaru | 2002-10-01 |
| 6458728 | Glass-ceramic composition for recording disk substrate | Hideki Nagata, Hideki Kawai, Toshiharu Mori, Kazuhiko Ishimaru | 2002-10-01 |
| 5706370 | Optical deflection scanning device | — | 1998-01-06 |
| 4728644 | Purine derivative and pharmaceutical composition | Hiroyuki Sueoka, Mitsuyoshi Yasumoto, Michio Terasawa, Tomonori Imayoshi | 1988-03-01 |