Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 5231416 | Container for ink jet head and recovering method of ink jet head using container | Takashi Nojima, Hideki Yamaguchi | 1993-07-27 |
| 5202702 | Ink jet recording apparatus and a method of cleaning a recording head used in the apparatus | Akira Miyakawa, Hideki Yamaguchi | 1993-04-13 |
| 5138343 | Ink jet recording apparatus with recovery means | Takao Aichi, Tamaki Hashimoto, Yoji Ara, Shinya Matsui, Takashi Nojima +5 more | 1992-08-11 |
| 5126766 | Ink jet recording apparatus including means for opening and closing an ink supply path | Tetsuhiro Nitta | 1992-06-30 |
| 5086305 | Liquid injection recording apparatus and suction recovery device using capping means integrally provided with a plurality of caps | — | 1992-02-04 |
| 5053787 | Ink jet recording method and head having additional generating means in the liquid chamber | Hideki Yamaguchi | 1991-10-01 |
| 4999643 | Discharge recovery device and apparatus having suction means and vent means communicating with capping means | — | 1991-03-12 |
| 4970534 | Ink jet recovery device having a spring-loaded cap and a mechanism for pressing the cap against a recording head and apparatus incorporating the device | Akira Miyakawa, Hideki Yamaguchi | 1990-11-13 |
| 4967204 | Method for ensuring stable operation of an ink jet recording apparatus | Hideaki Okamoto, Hideki Yamaguchi | 1990-10-30 |
| 4965596 | Ink jet recording apparatus with waste ink distribution paths to plural cartridges | Shigeyasu Nagoshi, Hideki Yamaguchi | 1990-10-23 |
| 4951066 | Ink jet recording apparatus having a discharge orifice surface and a blade and rubbing member for cleaning the surface independently of each other | Akira Miyakawa, Hideki Yamaguchi, Shinya Matsui, Mikio Shiga, Shigeru Tsuyukubo +7 more | 1990-08-21 |
| 4920360 | Liquid ejection recording unit and liquid ejection recording apparatus | Akira Miyakawa, Takehiko Kiyohara | 1990-04-24 |
| 4893138 | Ink jet recovery device including a communicating valve and a ventilating valve | Hideki Yamaguchi, Akira Miyakawa, Shinya Matsui, Mikio Shiga, Shigeru Tsuyukubo | 1990-01-09 |
| D305436 | Printer | Eiichi Yoshioka | 1990-01-09 |
| 4819012 | Ink-jet printer with cap means | Takehiko Kiyohara | 1989-04-04 |
| 4785314 | Internally pressure-regulated ink supply | Akira Miyakawa, Takehiko Kiyohara | 1988-11-15 |
| 4739847 | Ink jet printer | — | 1988-04-26 |
| 4739340 | Ink jet capping-purging operational checks method | — | 1988-04-19 |
| 4728970 | Suction recovery apparatus of ink-jet printer | — | 1988-03-01 |
| 4712172 | Method for preventing non-discharge in a liquid jet recorder and a liquid jet recorder | Takehiko Kiyohara, Akira Miyakawa | 1987-12-08 |
| 4695851 | Ink jet printer | — | 1987-09-22 |
| 4682184 | Suction recovering device for an ink jet printer and ink jet printer having the same device | — | 1987-07-21 |
| 4636814 | Printing apparatus | — | 1987-01-13 |
| 4631554 | Ink jet printing apparatus with suction recovery unit | — | 1986-12-23 |