Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022662 | Toner for developing electrostatic images, method of producing toner for developing electrostatic images, electrostatic image developer | Yasuo Matsumura, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura, Hisao Morijiri +2 more | 2000-02-08 |
| 5998078 | Method of preparing toner for electrostatic charge image development, toner for electrostatic charge image development, electrostatic charge image developer, and image forming method | Masaaki Suwabe, Yasuo Matsumura, Shuji Sato, Yasuo Kadokura, Hisao Morijiri +2 more | 1999-12-07 |
| 5985501 | Toner for developing electrostatic charge image, method of preparing the toner, developer for electrostatic charge image and image formation method | Shuji Sato, Yasuo Matsumura, Masaaki Suwabe, Yasuo Kadokura, Hisao Morijiri +4 more | 1999-11-16 |
| 5910389 | Method for producing toner for developing images of electrostatic charge, toner for developing images of electrostatic charge, developer for images of electrostatic charge and method for forming images | Yasuo Matsumura, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura, Hisao Morijiri +2 more | 1999-06-08 |
| 5888687 | Toner for developing electrostatic charge image, production method thereof, and image formation method | Yasuo Matsumura, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura | 1999-03-30 |
| 5849456 | Toner for developing electrostatic charge image, production method thereof, and image formation method | Yasuo Matsumura, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura | 1998-12-15 |
| 5665511 | Surface-treated inorganic fine particle and electrophotographic developer using the same | Takashi Imai, Satoshi Inoue, Masanori Ichimura, Yutaka Sugizaki, Susumu Saito +4 more | 1997-09-09 |
| 5629120 | Electrostatic image developing carrier and electrostatic image developer | Ikutaroh Nagatsuka, Haruhide Ishida, Sakon Takahashi | 1997-05-13 |
| 5320925 | Electrophotographic toner composition | Takashi Imai, Satoshi Inoue, Masanori Ichimura, Yutaka Sugizaki, Susumu Saito +4 more | 1994-06-14 |
| 5250996 | Method for fixing full color toner images | Yutaka Sugizaki, Hiroshi Takayama, Hideyuki Akagi, Takashi Imai, Susumu Saito +7 more | 1993-10-05 |