Issued Patents All Time
Showing 176–200 of 202 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961535 | Image forming apparatus | Shinichi Kawahara, Satoshi Takano, Toshihiro Sugiyama, Hiroshi Saitoh, Hirokazu Ishii +1 more | 2005-11-01 |
| 6937838 | Waste toner collecting device, and image forming apparatus including the waste toner collecting device | Hiroshi Ishii | 2005-08-30 |
| 6895209 | Cleaning device and image forming apparatus using the same | Shinichi Kawahara, Satoshi Takano, Hiroshi Saitoh, Toshihiro Sugiyama, Hirokazu Ishii | 2005-05-17 |
| 6829461 | Recovered toner classifier capable of effectively removing foreign substance and crushing aggregation of toner | Satoshi Takano | 2004-12-07 |
| 6813467 | Image forming apparatus | Shinichi Kawahara, Satoshi Takano, Toshihiro Sugiyama, Hiroshi Saitoh, Hirokazu Ishii +1 more | 2004-11-02 |
| 6615013 | Powder classifying device and image forming apparatus having the powder classifying device | Satoshi Takano | 2003-09-02 |
| 6346364 | Optical information recording medium and recording method | Emiko Hamada, Yosikazu Takagisi, Takashi Ishiguro | 2002-02-12 |
| 6262969 | Optical disk | Hideaki Ito, Yuaki Shin | 2001-07-17 |
| 6156482 | Optical information recording medium and recording method | Emiko Hamada, Yosikazu Takagisi, Takashi Ishiguro | 2000-12-05 |
| 6138191 | Apparatus for selectively operating a plurality of computers | Kenichi Fujii, Takashi Matsui | 2000-10-24 |
| 6084603 | Optical information medium and method for printing on the surface of the medium | Takashi Ishiguro | 2000-07-04 |
| 5920329 | Optical information medium and method for printing on the surface of the medium | Takashi Ishiguro, Toshio Watanabe | 1999-07-06 |
| 5855793 | Method of treating waste water to remove harmful ion by coagulating sedimentation | Kenichi Ikeda, Yuichi Asai | 1999-01-05 |
| 5750033 | Method of treating waste water to remove harmful ion by coagulating sedimentation | Kenichi Ikeda, Yuichi Asai | 1998-05-12 |
| 5705247 | Optical information medium and method for fabricating the same | Takanobu Matumoto, Yuaki Shin, Takashi Ishiguro | 1998-01-06 |
| 5616450 | Method for fabricating an optical information medium | Takanobu Matumoto, Yuaki Shin, Takashi Ishiguro | 1997-04-01 |
| 5549952 | Optical information medium and method for printing on the surface of the medium | Takashi Ishiguro, Toshio Watanabe | 1996-08-27 |
| 5470691 | Optical information medium | Takanobu Matumoto, Yuaki Shin, Takashi Ishiguro | 1995-11-28 |
| 5407719 | Optical information recording medium and recording method | Emiko Hamada, Yosikazu Takagisi, Takashi Ishiguro | 1995-04-18 |
| 5213955 | Optical information recording medium and recording method | Emiko Hamada, Yosikazu Takagisi, Takashi Ishiguro | 1993-05-25 |
| 5155723 | Optical information recording method and medium | Emiko Hamada, Yuaki Shin, Takashi Ishiguro | 1992-10-13 |
| 5090009 | Optical information recording medium | Emiko Hamada, Yuaki Shin, Takashi Ishiguro | 1992-02-18 |
| 5020048 | Optical information recording medium having a protective film which can be stripped | Hiroshi Ogawa, Masahiro Hotori | 1991-05-28 |
| 5009818 | Method of manufacturing an optical information recorded disc | Yuaki Shin, Takashi Ishiguro, Emiko Hamada | 1991-04-23 |
| 4990388 | Optical information recording medium | Emiko Hamada, Yuaki Shin, Takashi Ishiguro | 1991-02-05 |