Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726697 | Ink jet recording apparatus having an optimally-dimensioned ink jet head structure | — | 1998-03-10 |
| 5670998 | Ink jet head having plural terminals electrically connected in common during storage | Sakiko Tanabe, Toshiaki Hirosawa | 1997-09-23 |
| 5602576 | Ink-jet type recording head and monolithic integrated circuit suitable therfor | Fumio Murooka, Tatsuo Furukawa, Hiroyuki Ishinaga, Hiroyuki Maru, Masaaki Izumida +1 more | 1997-02-11 |
| 5552815 | Ink jet apparatus including means for regulating an amount of ink and an amount of air in an ink tank relative to each other | — | 1996-09-03 |
| 5504512 | Ink jet recording apparatus and ink cartridge usable therewith | Hideo Fukazawa, Koji Terasawa, Katsuyuki Yokoi, Makoto Takemura, Tetsuji Kurata +2 more | 1996-04-02 |
| 5479193 | Device for detecting when a particular amount of ink remains in an ink jet recording apparatus and recording apparatus using the same | Hideo Fukazawa, Koji Terasawa, Katsuyuki Yokoi, Makoto Takemura, Tetsuji Kurata +2 more | 1995-12-26 |
| 5264865 | Ink jet recording method and apparatus utilizing temperature dependent, pre-discharge, meniscus retraction | Sakiko Tanabe, Toshiaki Hirosawa | 1993-11-23 |
| 5214450 | Thermal ink jet recording apparatus using a grouped transducer drive | — | 1993-05-25 |
| 4980699 | Liquid injection recording method for accurately producing an image regardless of ambient temperature | Sakiko Tanabe, Toshiaki Hirosawa | 1990-12-25 |
| 4847637 | Ink jet recording apparatus having a cap for maintaining a clean discharge port | Kenjiro Watanabe | 1989-07-11 |
| 4769653 | Multihead liquid emission recording apparatus | — | 1988-09-06 |
| 4639735 | Apparatus for driving liquid jet head | Mitsuru Yamamoto, Kunio Watanabe | 1987-01-27 |