Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357617 | Ink recirculating device of ink jet printer | Yoichi Shimazawa | 1982-11-02 |
| 4343596 | Constant flow rate liquid supply pump | Yoichi Shimazawa | 1982-08-10 |
| 4270133 | Ink supply device for an ink jet printer | Yoichi Shimazawa | 1981-05-26 |