Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627368 | Organic metal complex compound and electrostatic image developing toner using the same | Masaki Okubo, Hiroshi Nanaumi | 2003-09-30 |
| 6552211 | Zirconium compound and electrophotographic toner employing it | Taito Muraoka, Katuya Yamaguti, Rie Murakami, Hiroyoshi Yamaga | 2003-04-22 |
| 6410198 | Zirconium compound and electrophotographic toner employing it | Taito Muraoka, Katuya Yamaguti, Rie Murakami, Hiroyoshi Yamaga | 2002-06-25 |
| 6110634 | Electrophotographic toner | Taito Muraoka, Yutaka Saitoh, Hiroyoshi Yamaga, Rie Murakami | 2000-08-29 |