Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550909 | Ink-jet recording method and print | Hirofumi Ichinose, Naoki Kushida, Hiroyuki Ogino | 2003-04-22 |
| 5605732 | Aminium salt compound and optical recording medium | Chieko Mihara, Hiroyuki Sugata | 1997-02-25 |
| 5516469 | Process for producing substrate sheet for information recording mediums | Hiroyuki Sugata, Masataka Yashima, Hirofumi Kamitakahara, Hitoshi Yoshino, Osamu Kanome +2 more | 1996-05-14 |
| 5492792 | Optical recording medium using a polymethine dye | Miki Tamura, Chieko Mihara | 1996-02-20 |
| 5480596 | Optical recording medium substrate sheet producing apparatus having roll stamper with elastomer layer of predetermined hardness | Yukitoshi Okubo, Miki Tamura, Chieko Mihara, Hiroyuki Sugata, Osamu Kanome +1 more | 1996-01-02 |
| 5479394 | Optical recording medium, recording system and reproducing system | Masataka Yashima, Hiroyuki Sugata, Miki Tamura, Chieko Mihara | 1995-12-26 |
| 5354590 | Optical recording medium | Miki Tamura | 1994-10-11 |
| 5324188 | Roller stamper for molding a substrate sheet to become an information recording medium | Hiroyuki Sugata, Masataka Yashima, Hirofumi Kamitakahara, Hitoshi Yoshino, Osamu Kanome +2 more | 1994-06-28 |
| 5281371 | Method and apparatus for forming substrate sheet for optical recording medium | Miki Tamura, Osamu Kanome | 1994-01-25 |
| 5275925 | Infrared-absorptive compound containing optical recording medium | Chieko Mihara, Hiroyuki Sugata, Tetsuro Fukui | 1994-01-04 |
| 5271979 | Optical recording medium containing polymethine compound | Hiroyuki Sugata, Chieko Mihara | 1993-12-21 |
| 5266136 | Process for producing a roll stamper for molding a substrate sheet for information recording mediums | Osamu Kanome, Hiroyuki Sugata, Masataka Yashima, Tetsuya Sato, Hitoshi Yoshino +2 more | 1993-11-30 |
| 5267228 | Substrates for optical cards, process for preparing substrates for optical cards, optical cards and apparatus for recording and reproducing information on optical cards | Masataka Yashima, Osamu Kanome, Hirofumi Kamitakahara, Hiroyuki Sugata, Tetsuya Sato +2 more | 1993-11-30 |
| 5231262 | Optical cutting method and optical cutter | Susumu Matsumura, Masataka Yashima, Osamu Kanome, Kazuya Matsumoto | 1993-07-27 |
| 5190849 | Optical recording medium containing carboxylic acid-base metallic complex and squarylium-base or croconium-base dye | Chieko Mihara, Hiroyuki Sugata | 1993-03-02 |
| 5187043 | Optical recording medium | Chieko Mihara | 1993-02-16 |
| 5147592 | Process of and apparatus for preparing optical recording medium substrates | Tetsuya Sato, Osamu Kanome, Hitoshi Yoshino, Hirofumi Kamitakahara, Hisanori Hayashi | 1992-09-15 |
| 5141785 | Recording medium | Kazuo Yoshinada, Toshikazu Ohnishi, Yutaka Kurabayashi | 1992-08-25 |
| 5137661 | Process for producing optical recording medium | Osamu Kanome, Hiroyuki Sugata, Tetsuya Satoh, Yukitoshi Ohkubo | 1992-08-11 |
| 5096401 | Apparatus for producing a substrate sheet for optical recording media | Miki Tamura, Masataka Yashima | 1992-03-17 |
| 5024917 | Optical recording medium containing meta-position aluminium-type IR-ray absorptive compound | Chieko Mihara, Hiroyuki Sugata | 1991-06-18 |
| 5009987 | Optical recording medium containing IR-ray absorptive compound | Chieko Mihara, Hiroyuki Sugata, Tetsuro Fukui | 1991-04-23 |
| 4965178 | Optical recording medium | Chieko Hioki | 1990-10-23 |
| 4944981 | Optical recording medium | Yoshihiro Oguchi | 1990-07-31 |
| 4921780 | Optical recording medium | Yoshihiro Oguchi | 1990-05-01 |