Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6909683 | Optical disc and optical disc drive apparatus | Masayoshi Nagata | 2005-06-21 |
| 6856365 | Transmissive light-diffusing layer | Tatsuo Uchida | 2005-02-15 |
| 6805925 | Transmittable light-scattering sheets | Tatsuo Uchida | 2004-10-19 |
| 6800348 | Optical recording medium | Atsushi Takeuchi, Yoshihito Fukushima, Kenichi Itoh, Mineo Moribe, Takehiko Numata | 2004-10-05 |
| 6723392 | Light scattering sheet, light scattering composite sheet, and liquid crystal display | Hiroshi Jinnai, Hiroshi Takahashi, Masanori Hiraishi, Yoshiyuki Nishida | 2004-04-20 |
| 6625090 | Magneto-optical recording medium, and magneto-optical recording/reproducing apparatus | Atsushi Takeuchi, Yoshihito Fukushima, Kenichi Itoh, Mineo Moribe, Takehiko Numata | 2003-09-23 |
| 6351449 | Optical disk with recesses inside an inner circumference of an information recording area and method of making same | Hiroki Tsuchiya | 2002-02-26 |
| 6208595 | Magneto-optical recording medium | Yoshihito Fukushima, Atsushi Takeuchi, Kenichi Itoh, Mineo Moribe, Takehiko Numata | 2001-03-27 |
| 5822294 | Optical recording medium having a specified range of pit widths and pit depths | Katsuhiko Ohtomo, Masaki Kagawa, Hiroshi Nomura | 1998-10-13 |
| 5705632 | Process for the preparation of cellulose acetate film | Kazuhiro Shimoda, Masahiko Murayama, Hidekazu Yamazaki, Tohru Shibata, Shu Shimamoto +1 more | 1998-01-06 |
| 5663310 | Cellulose acetate solution and process for the preparation of the same | Kazuhiro Shimoda, Masahiko Murayama, Hidekazu Yamazaki, Tohru Shibata, Shu Shimamoto +1 more | 1997-09-02 |