Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552211 | Zirconium compound and electrophotographic toner employing it | Masataka Sawano, Katuya Yamaguti, Rie Murakami, Hiroyoshi Yamaga | 2003-04-22 |
| 6410198 | Zirconium compound and electrophotographic toner employing it | Masataka Sawano, Katuya Yamaguti, Rie Murakami, Hiroyoshi Yamaga | 2002-06-25 |
| 6110634 | Electrophotographic toner | Masataka Sawano, Yutaka Saitoh, Hiroyoshi Yamaga, Rie Murakami | 2000-08-29 |