Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693447 | Image forming material, method of preparing the same and image forming method employing the same | Toshihisa Takeyama, Ai Katsuda, Tomonori Kawamura, Masataka Takimoto | 1997-12-02 |
| 5691103 | Image forming material, method of preparing the same and image forming method employing the same | Toshihisa Takeyama, Ai Katsuda, Kunihiro Koshizuka, Tomonori Kawamura, Masataka Takimoto | 1997-11-25 |