Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642653 | Multi-tone recording method for ink jet printer | Tadashi Ito, Koichiro Jinnai, Takahisa Koike, Toshiharu Murai, Kazumi Ishima | 1987-02-10 |
| 4604631 | Control system and method for charge control ink jet printer | Koichiro Jinnai, Tadashi Ito, Takahisa Koike, Toshiharu Murai, Kazumi Ishima | 1986-08-05 |
| 4598299 | Deflection control ink jet printing apparatus | Takahisa Koike, Kazumi Ishima, Toshiharu Murai, Tadashi Itoh, Toshifumi Kato +1 more | 1986-07-01 |
| 4595948 | Multicolor ink jet recording apparatus having means for preventing blurring of ink | Tadashi Itoh, Toshiharu Murai, Koichiro Jinnai, Kazumi Ishima, Takahisa Koike +1 more | 1986-06-17 |
| 4437101 | Ink jet printing apparatus | Yutaka Ebi, Toshio Kawakubo, Koichiro Jinnai, Masanori Horike, Kyuhachiro Iwasaki +2 more | 1984-03-13 |
| 4430658 | Apparatus for detecting deflection of a charged ink droplet. | Chuji Ishikawa | 1984-02-07 |
| 4271366 | Analog signal delay circuit | Takuro Isayama, Takeshi Takemoto, Tsutomu Sato | 1981-06-02 |
| 4245224 | Drive circuit for ink jet discharging head | Takuro Isayama, Takeshi Takemoto, Tsutomu Sato | 1981-01-13 |
| 4183029 | Ink filter clogging sensor and indicator | Takuro Isayama | 1980-01-08 |