Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644409 | Shading correcting method and shading correcting apparatus for use in image forming apparatuses | Ariyoshi Hikosaka, Tetsuji Kajitani | 1997-07-01 |
| 5196888 | Method of feeding developer to developing zone in electrophotography | Masanori Matsuda, Mamoru Kato, Takeshi Hori, Tomiyasu Matsuda | 1993-03-23 |