Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350221 | Height adjustment device suitable for use in an optical disk apparatus | Yasunari Toyama, Kiyoshi Umesaki, Kiyonari Saruwatari | 2008-03-25 |
| 7068393 | Image ratio measuring method for image forming apparatus | Nobuatsu Sasanuma, Kazuo Suzuki, Yuichi Ikeda, Kenichi Nakagawa, Tomohisa Itagaki +1 more | 2006-06-27 |
| 7013472 | Optical disk device | Yasunari Toyama, Kiyoshi Umesaki, Kiyonari Saruwatari | 2006-03-14 |
| 6751424 | Image-forming method in high-speed mode and in low-speed mode | Nozomu Komatsu, Takaaki Kotaki, Takaaki Kaya, Wakashi Iida, Nobuyoshi Sugahara +2 more | 2004-06-15 |
| 6664016 | Magenta toner | Takaaki Kotaki, Katsumi Kondo, Yasuhiro Ichikawa, Takaaki Kaya, Wakashi Iida +1 more | 2003-12-16 |
| 6537714 | Image-forming method and image-forming apparatus | Takaaki Kaya, Takaaki Kotaki, Yushi Mikuriya, Katsumi Kondo, Wakashi Iida | 2003-03-25 |
| 6514654 | Two-component developer and image forming method | Hirohide Tanikawa | 2003-02-04 |
| 6372400 | Carrier for use in electrophotography, two-component type developer and image forming method | Kazumi Yoshizaki, Kenji Okado, Yushi Mikuriya | 2002-04-16 |
| 6292455 | Disk drive apparatus with elastic dampers | Kiyonari Saruwatari, Kiyoshi Umesaki, Yoshikazu Yamano | 2001-09-18 |
| 6218065 | Toner having negative triboelectric chargeability and developing method | Hirohide Tanikawa, Takeshi Ohtake, Makoto Unno | 2001-04-17 |
| 6022659 | Yellow toner for developing electrostatic images | Masaaki Taya, Wakashi Iida, Tetsuya Ida | 2000-02-08 |
| 6013402 | Color toner and image forming method | Masaaki Taya, Wakashi Iida, Tetsuya Ida | 2000-01-11 |
| 6001525 | Electrophotographic developer carrier, two-component type developer and image forming method | Tetsuya Ida, Masaaki Taya | 1999-12-14 |
| 5994018 | Toner | Wakashi Iida, Masaaki Taya, Tetsuya Ida, Junko Inaba | 1999-11-30 |
| 5922500 | Toner for developing electrostatic image | Wakashi Iida | 1999-07-13 |
| 5912099 | Magenta toner, process for producing same and color image forming method using same | Masaaki Taya, Ryoichi Fujita, Wakashi Iida, Tetsuya Ida | 1999-06-15 |
| 5851714 | Toner for developing electrostatic image and fixing method | Masaaki Taya, Kenji Okado, Ryoichi Fujita, Tsuyoshi Takiguchi, Wakashi Iida +1 more | 1998-12-22 |
| 5842097 | Image forming and transferring method using a peeling layer | Ryoichi Fujita | 1998-11-24 |
| 5750298 | Yellow toner for developing electrostatic image, two component developer, image sheet | Ryoichi Fujita | 1998-05-12 |
| 5747209 | Toner for developing electrostatic images containing aromatic hydroxycarboxylic acid and metal compound of the aromatic hydroxycarboxylic acid | Tsuyoshi Takiguchi, Kenji Okado, Masaaki Taya, Ryoichi Fujita, Kohji Inaba +4 more | 1998-05-05 |
| 5700617 | Toner for developing electrostatic images and charge-controlling agent | Tsuyoshi Takiguchi, Kenji Okado, Masaaki Taya, Ryoichi Fujita, Wakashi Iida +1 more | 1997-12-23 |
| 5691093 | Method of forming a full-color toner image onto a laminated film | Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba, Kazuyuki Miyano | 1997-11-25 |
| 5672452 | Method for transferring color images onto both sides of a transfer material | Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba, Koji Inaba | 1997-09-30 |
| 5670288 | Carrier for electrophotography, two-component type developer, and image forming method | Kenji Okado, Toshiyuki Ugai, Ryoichi Fujita, Tsuyoshi Takiguchi, Yasuhiro Ichikawa +1 more | 1997-09-23 |
| 5652075 | Color toner, two-component type developer, image forming apparatus, color image forming method and process for producing a color toner | Hirohide Tanikawa | 1997-07-29 |