Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898801 | Magnetic carrier of developer for electrophotographic copying machines composed of ferrite and a selected metal oxide | Hidekiyo Tachibana, Akihiko Noda, Kazuo Terao, Toshio Honjou, Hiroshi Endo +1 more | 1990-02-06 |
| 4598034 | Ferrite carriers for electrophotographic development | Toshio Honjo | 1986-07-01 |