Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424124 | Civil engineering and construction grade fibrous reinforcing material, method for production thereof, and civil engineering and construction material containing the reinforcing material | Kazuo Yoshikawa, Tadatoshi Kurozumi | 1995-06-13 |
| 5253020 | Image forming apparatus improved in toner supply operation | Tetsuo Matsushita, Tsuneo Kitagawa | 1993-10-12 |
| 5218407 | Apparatus for initial set-up of developer unit in an image forming apparatus | Tetsuo Matsushita, Tsuneo Kitagawa, Hiromitsu Saijo | 1993-06-08 |