Issued Patents All Time
Showing 1–4 of 4 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, Manabu Serizawa, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura +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, Manabu Serizawa, Shuji Sato, Yasuo Kadokura +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, Manabu Serizawa, Masaaki Suwabe, Yasuo Kadokura +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, Manabu Serizawa, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura +2 more | 1999-06-08 |