Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786101 | Weld strength determination method, casing structure, casing structure for image forming apparatus, and weld strength determination method in casing for image forming apparatus | Koji Iwai | 2004-09-07 |
| 6175708 | Blade member, blade member manufacturing method, developing unit having blade member, and image forming apparatus having developing unit | Koji Iwai | 2001-01-16 |
| 4613248 | Ribbon lift mechanism for a typewriter | Takayuki Iwase | 1986-09-23 |