Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7507523 | Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information | Katsuyuki Yamada, Shinya Narumi, Makoto Harigaya, Noriyuki Iwata, Nobuaki Onagi +7 more | 2009-03-24 |
| 7505728 | Lubricant applying unit, process cartridge, image forming apparatus, and image forming method | Daichi Yamaguchi, Kenji Sugiura, Takahiko Tokumasu, Takuya Seshita, Yumiko Yagi | 2009-03-17 |
| 7364781 | Optical recording medium, recording material, method of producing optical recording medium and optical recording, reading and rewriting method | Kazunori Ito, Eiko Hibino, Makoto Harigaya, Takashi Shibaguchi, Hajime Yuzurihara +3 more | 2008-04-29 |
| 7224562 | Short-circuit protective circuit | — | 2007-05-29 |
| 7209699 | Lubricant applying unit, process cartridge, image forming apparatus, and image forming method | Daichi Yamaguchi, Kenji Sugiura, Takahiko Tokumasu, Takuya Seshita, Yumiko Yagi | 2007-04-24 |
| 6884487 | Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting method | Kazunori Ito, Eiko Hibino, Makoto Harigaya, Takashi Shibaguchi, Hajime Yuzurihara +3 more | 2005-04-26 |
| 6865095 | Power circuit | — | 2005-03-08 |
| 6790592 | Phase-change optical information recording medium | Makoto Harigaya, Noriyuki Iwata, Kazunori Ito, Hajime Yuzurihara, Eiko Hibino +4 more | 2004-09-14 |
| 6649313 | Photoreceptor, method of evaluating a photoreceptor, and method of producing the photoreceptor | Toshiyuki Kabata, Toshio Fukagai, Junichi Yamazaki, Noriyuki Iwata, Takuji Katoh +2 more | 2003-11-18 |
| 6534227 | Photoreceptor, method of evaluating the photoreceptor, method of producing the photoreceptor, and image formation apparatus using the photoreceptor | Toshiyuki Kabata, Toshio Fukagai, Junichi Yamazaki, Noriyuki Iwata, Takuji Katoh +2 more | 2003-03-18 |
| 5302230 | Heat treatment by light irradiation | Masumitsu Ino | 1994-04-12 |
| 5199058 | X-ray monochromator and spectral measurement apparatus using the x-ray monochromator | Eriko Chiba | 1993-03-30 |
| 4334886 | Method of manufacturing table salt | Tamio Sakamoto | 1982-06-15 |