Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315317 | Ink quantity detecting device and recording apparatus with the devie | Makoto Takemura, Takashi Nojima, Akira Miyakawa | 1994-05-24 |
| 5311214 | Ink jet recording apparatus having means for removing foreign material from an ink supply path by first introducing an into the ink supply path | Shinichi Hirasawa, Koichi Sato, Akira Miyakawa, Tsutomu Abe, Yoshifumi Hattori | 1994-05-10 |