Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192819 | Informaton recording medium and manufacturing method of the same | Ippei Maekawa, Tomonori Endo, Mamoru Uchida, Yuki Takei | 2012-06-05 |
| 7883756 | Optical information recording medium | Mamoru Uchida, Tomonori Endo, Yoshimasa Shimomura | 2011-02-08 |
| 7754306 | Optical information recording medium | Mamoru Uchida, Tomonori Endo, Yoshimasa Shimomura | 2010-07-13 |
| 7709074 | Optical information recording medium, method of manufacturing the same, and surface print method | Mamoru Uchida, Takanobu Matsumoto, Tomonori Endo | 2010-05-04 |
| 6287662 | Optical data recording medium | Yoshikazu Takagishi, Takanobu Matsumoto, Emiko Hamada | 2001-09-11 |
| 6262969 | Optical disk | Hideaki Ito, Yuji Arai | 2001-07-17 |
| 5705247 | Optical information medium and method for fabricating the same | Yuji Arai, Takanobu Matumoto, Takashi Ishiguro | 1998-01-06 |
| 5616450 | Method for fabricating an optical information medium | Yuji Arai, Takanobu Matumoto, Takashi Ishiguro | 1997-04-01 |
| 5498509 | Method of making an optical information recording substrate | Takashi Ishiguro, Emiko Hamada, Keiichi Kagawa | 1996-03-12 |
| 5470691 | Optical information medium | Yuji Arai, Takanobu Matumoto, Takashi Ishiguro | 1995-11-28 |
| 5398231 | Optical information recording substrate and method of making thereof | Takashi Ishiguro, Emiko Hamada, Keiichi Kagawa | 1995-03-14 |
| 5155723 | Optical information recording method and medium | Emiko Hamada, Yuji Arai, Takashi Ishiguro | 1992-10-13 |
| 5090009 | Optical information recording medium | Emiko Hamada, Yuji Arai, Takashi Ishiguro | 1992-02-18 |
| 5009818 | Method of manufacturing an optical information recorded disc | Yuji Arai, Takashi Ishiguro, Emiko Hamada | 1991-04-23 |
| 4990388 | Optical information recording medium | Emiko Hamada, Yuji Arai, Takashi Ishiguro | 1991-02-05 |
| 4940618 | Optical information recording medium | Emiko Hamada, Yuji Arai, Takashi Ishiguro | 1990-07-10 |
| 4920359 | Optical information recording medium having protective layer | Yuji Arai, Emiko Hamada, Takashi Ishiguro | 1990-04-24 |