Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414569 | Self-ballasted compact fluorescent lamps | Takeshi Matsumura, Shiro Iida | 1999-09-28 |
| D414282 | Self-ballasted compact fluorescent lamps | Takeshi Matsumura, Shiro Iida | 1999-09-21 |
| D412758 | Self-ballasted compact fluorescent lamps | Takeshi Matsumura, Shiro Iida | 1999-08-10 |
| 5931306 | Gas current classifier and process for producing toner | Satoshi Mitsumura, Hitoshi Kanda, Yoko Goka, Yoshinori Tsuji | 1999-08-03 |
| D412212 | Self-ballasted compact fluorescent lamps | Takeshi Matsumura, Shiro Iida | 1999-07-20 |
| D411890 | Self-ballasted compact fluorescent lamps | Takeshi Matsumura, Shiro Iida | 1999-07-06 |
| 5853626 | Optical module and a fabrication process thereof | — | 1998-12-29 |
| 5854365 | Toner for developing electrostatic image and method of manufacturing resin composition | Manabu Ohno, Akihiko Nakazawa, Nobuyuki Okubo, Shunji Suzuki, Hiroyuki Suematsu | 1998-12-29 |
| 5759453 | Optical module and a fabrication process thereof | — | 1998-06-02 |
| 5753396 | Image forming method | Tatsuya Nakamura, Shuichi Aita, Koji Inaba, Kengo Hayase, Yuki Nishio | 1998-05-19 |
| 5712075 | Gas current classifier and process for producing toner | Satoshi Mitsumura, Hitoshi Kanda, Yoko Goka, Yoshinori Tsuji | 1998-01-27 |
| 5672825 | Method and apparatus for detecting and discriminating objects under the ground | Masayoshi Uno, Tomonori Kimura | 1997-09-30 |
| 5666603 | Image-forming apparatus using X-ray for charging and cleaning a photosensitive member | Yasuhiro Tomita, Masayoshi Ishikawa | 1997-09-09 |
| 5604571 | Image- forming apparatus having imaging x-ray generation means | Yasuhiro Tomita, Masayoshi Ishikawa | 1997-02-18 |
| 5555333 | Optical module and a fabrication process thereof | — | 1996-09-10 |
| 5489498 | Toner for developing electrostatic image and method of manufacturing resin composition | Manabu Ohno, Akihiko Nakazawa, Nobuyuki Okubo, Shunji Suzuki, Hiroyuki Suematsu | 1996-02-06 |
| 5447815 | Developer for developing electrostatic image and image forming method | Koichi Tomiyama, Hiroshi Yusa | 1995-09-05 |
| 5435496 | Collision-type gas current pulverizer and method for pulverizing powders | Hitoshi Kanda, Satoshi Mitsumura, Yusuke Yamada, Yasuhide Goseki | 1995-07-25 |
| 5424810 | Magnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatus | Koichi Tomiyama, Hiroyuki Suematsu, Hiroshi Yusa, Takakuni Kobori | 1995-06-13 |
| D359039 | Optical disk cartridge | Toru Sato, Yoshihiko Sugiyama, Yoshikazu Goto, Isao Sato | 1995-06-06 |
| D357239 | Optical disk cartridge | Toru Sato, Yoshihiko Sugiyama, Yoshikazu Goto, Isao Sato | 1995-04-11 |
| 5364720 | Magnetic developer for developing electrostatic images | Akihiko Nakazawa, Manabu Ohno, Nobuyuki Okubo, Shunji Suzuki | 1994-11-15 |
| 5338638 | Toner for developing electrostatic image and process for production thereof | Kiyoko Tsuchiya, Koichi Tomiyama, Tsutomu Kukimoto, Hiroshi Yusa | 1994-08-16 |
| 5319424 | Developer for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatus | Koichi Tomiyama, Tsutomu Kukimoto, Hiroshi Yusa, Kiyoko Tsuchiya | 1994-06-07 |
| 5316222 | Collision type gas current pulverizer and method for pulverizing powders | Hitoshi Kanda, Satoshi Mitsumura, Yusuke Yamada, Yasuhide Goseki | 1994-05-31 |