Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602644 | Toner and image forming method | Asao Matsushima, Meizo Shirose, Hiroyuki Yamada, Akira Ohira, Shoichiro Ishibashi +1 more | 2003-08-05 |
| 6475685 | Electrostatically charged image developing toner, production method of the same, and an image forming method | Masafumi Uchida, Mikio Kohyama, Kenji Hayashi | 2002-11-05 |
| 6472117 | Toner for developing electrostatic image and image forming method | Mikio Kohyama, Kenji Hayashi, Masafumi Uchida, Hiroyuki Yamada | 2002-10-29 |
| 6395442 | Toner and production method of the same | Kenji Hayashi, Mikio Koyama, Masafumi Uchida, Hiroshi Yamazaki | 2002-05-28 |
| 6187497 | Eletrophotographic toner and image forming method | Sayuri Kushi, Kenji Yamane | 2001-02-13 |
| 5837415 | Electrophotographic toner | — | 1998-11-17 |
| 5738964 | Electrophotographic toner with specific high, medium, and low molecullar weight peaks | Yuji Marukawa, Hiroyuki Kozuru | 1998-04-14 |
| 5707772 | Toner for electrophotography | Kunio Akimoto, Hiroyuki Kozuru | 1998-01-13 |
| 5637433 | Toner for developing an electrostatic latent image | Kunio Akimoto | 1997-06-10 |