Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959446 | Optical information recording medium | — | 2005-10-25 |
| 6887403 | Information recording medium and method of manufacturing same | — | 2005-05-03 |
| 6829201 | Magnetic information recording medium having regions magnetized in different directions, a method for recording and reproducing for the same, and a method of manufacturing the same | Masakazu Nishikawa, Kazuyuki Usuki, Makoto Nagao | 2004-12-07 |
| 6821459 | Information-recording medium and method for producing the same | — | 2004-11-23 |
| 6808782 | Optical information recording medium | Toshio Ishida | 2004-10-26 |
| 6731592 | Optical information recording medium and method of manufacturing optical information recording medium | — | 2004-05-04 |
| 6646132 | Information recording medium and novel oxonol compound | Shin-ichi Morishima, Michihiro Shibata | 2003-11-11 |
| 6639892 | Optical data recording medium excellent in recording sensitivity and recording property | — | 2003-10-28 |
| 6611367 | Surface plasmon optical modulator element | Masayuki Naya, Yoshio Inagaki | 2003-08-26 |
| 6577588 | Optical recording medium having transparent color ink formed on the reflective layer | Kimiko Tachikawa, Kazuaki Taga | 2003-06-10 |
| 6531261 | Preparation of optical information recording disc and dye solution | Yoshio Inagaki | 2003-03-11 |
| 6524678 | Information recording medium and recording method | Naoki Saito, Noboru Komori | 2003-02-25 |
| 6507550 | Optical data storage medium | — | 2003-01-14 |
| 6495234 | Optical information recording medium and method of manufacturing same | — | 2002-12-17 |
| 6490240 | Optical recording medium with increased addressing accuracy | — | 2002-12-03 |
| 6468620 | Optical recording medium and optical recording method | Koukichi Waki, Shingo Ishimaru | 2002-10-22 |
| 6461711 | Optical information recording medium | Toshio Ishida, Kazuaki Taga | 2002-10-08 |
| 6437887 | Optical logic device and optical memory device | Masayuki Naya, Yoshio Inagaki | 2002-08-20 |
| 6420007 | Recording medium and method of manufacturing same | — | 2002-07-16 |
| 6379768 | Optical information recording medium | Naoki Saito, Noboru Komori | 2002-04-30 |
| 6376040 | Optical information medium, optical information recording method, and optical information reproducing method | — | 2002-04-23 |
| 6341122 | Optical information recording medium | Michihiro Shibata, Noboru Komori, Toshio Ishida, Takashi Morohashi | 2002-01-22 |
| 6309728 | Method for producing optical information-recording medium and optical information-recording medium | Tomoyoshi Itaya | 2001-10-30 |
| 6258509 | Optical information recording medium | Michihiro Shibata | 2001-07-10 |
| 6238764 | Optical information recording disc | — | 2001-05-29 |