Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343596 | Constant flow rate liquid supply pump | Toshiaki Kawamoto | 1982-08-10 |
| 4270133 | Ink supply device for an ink jet printer | Toshiaki Kawamoto | 1981-05-26 |
| 4190846 | Ink liquid concentration control in an ink liquid supply system for an ink jet system printer | Yoichi Yamamoto | 1980-02-26 |