Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673955 | Ink receptacle for ink jet printer | Minoru Ameyama, Hiroshi Yamazaki, Shuzo Matsumoto, Yasuo Katano, Kyuhachiro Iwasaki | 1987-06-16 |
| 4591883 | Ink-jet printer head | — | 1986-05-27 |
| 4586058 | Ink jet printing apparatus | Hiroshi Yamazaki, Minoru Ameyama, Shuzo Matsumoto, Yasuo Katano | 1986-04-29 |
| 4559544 | Multi-nozzle head for ink on-demand type ink jet printer | Shuzo Matsumoto, Hiroshi Yamazaki, Yasuo Katano | 1985-12-17 |
| 4554556 | Color plotter | Shinichi Hirata | 1985-11-19 |
| 4518974 | Ink jet air removal system | — | 1985-05-21 |
| 4510509 | Ink ejection head | Masanori Horike, Tatsuya Furukawa, Takuro Sekiya, Yutaka Ebi, Masaaki Tachiki | 1985-04-09 |
| 4301459 | Ink ejection apparatus comprising entrained air removal means | Hiromichi Komai, Hiroshi Yamazaki, Tsutomu Sato | 1981-11-17 |
| 4300144 | Multiple-nozzle ink-jet recording apparatus | Hiroshi Yamazaki, Hiromichi Komai, Tsutomu Sato | 1981-11-10 |
| 4296418 | Ink jet printing apparatus with reverse solvent flushing means | Hiroshi Yamazaki | 1981-10-20 |
| 4293867 | Device for removing air bubbles formed and trapped in ink chamber of print head of ink-jet printer | — | 1981-10-06 |
| 4271366 | Analog signal delay circuit | Takeshi Takemoto, Tsutomu Sato, Takao Fukazawa | 1981-06-02 |
| 4245224 | Drive circuit for ink jet discharging head | Takeshi Takemoto, Tsutomu Sato, Takao Fukazawa | 1981-01-13 |
| 4222060 | Ink jet printing apparatus | Tsutomu Sato | 1980-09-09 |
| 4184168 | Ink-on-demand type ink jet head driving circuit | Tsutomu Sato | 1980-01-15 |
| 4183029 | Ink filter clogging sensor and indicator | Takao Fukazawa | 1980-01-08 |