Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134413 | Carrier for magnetic developer and method of electrophotographically forming visual image | Masumi Asanae, Tsutomu Saitoh | 2000-10-17 |
| 5876893 | Ferrite carrier, two-component developer and electrostatic imaging method using the developer | Masahisa Ochiai, Masumi Asanae, Tsutomu Saitoh | 1999-03-02 |