Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707770 | Toner for developing electrostatic images, two component type developer, developing method, image forming method, heat fixing method, and process for producing toner | Hirohide Tanikawa, Masatsugu Fujiwara, Kazunori Kato | 1998-01-13 |
| 5614344 | Toner for developing electrostatic images and image forming method | Shinji Doi, Hirohide Tanikawa, Masatsugu Fujiwara, Kazunori Kato | 1997-03-25 |
| 5543900 | Image forming apparatus which reduces toner fusion on an image bearing member | Youichirou Maebashi, Haruo Fujii, Hiroshi Sasame, Tatsuya Kobayashi, Tetsuya Kobayashi +3 more | 1996-08-06 |
| 5478686 | Fixable toner with a modified bisphenolic polyester resin | Yusuke Karami, Shinji Doi, Satoshi Matsunaga, Yasuhide Goseki, Takashige Kasuya +2 more | 1995-12-26 |
| 5389487 | Image forming process, image-forming apparatus, apparatus unit, and facsimile apparatus | Shinji Doi, Keita Nozawa, Masatsugu Fujiwara, Masashi Jimbo | 1995-02-14 |
| 5384224 | Toner for developing electrostatic image | Hirohide Tanikawa, Masatsugu Fujiwara, masashi Jinbo, Tsutomu Onuma | 1995-01-24 |
| 5364722 | Toner for developing electrostatic image and heat-fixing method comprising a hydrocarbon wax | Hirohide Tanikawa, Masatsugu Fujiwara, masashi Jinbo, Tsutomu Onuma | 1994-11-15 |
| 5298354 | Electrostatic image developing toner and fixing method | Satoshi Matsunaga, Takashige Kasuya, Kiyoko Tsuchiya, Yusuke Karami, Shinji Doi | 1994-03-29 |
| 5135833 | Electrostatic image developing toner and fixing method | Satoshi Matsunaga, Takashige Kasuya, Kiyoko Tsuchiya, Yusuke Karami, Shinji Doi | 1992-08-04 |
| 4957774 | Method of heat-fixing toner image | Shinji Doi, Satoshi Yoshida, Satoshi Matsunaga, Takashige Kasuya, Yasuhide Goseki +1 more | 1990-09-18 |
| 4816366 | Process for producing toner through suspension polymerization | Yoshihiko Hyosu, Takeshi Ikeda, Hitoshi Kanda, Hiromi Mori, Kuniko Kobayashi | 1989-03-28 |