Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638097 | Recording apparatus to which recording head is detachably mounted | Yoshiaki Takayanagi, Ryoichi Koizumi, Hirokazu Ikeda | 1997-06-10 |
| 5634805 | Card receiving and ejecting device | Toshiaki Uchida, Shigeki Nozawa | 1997-06-03 |
| 5623287 | Ink container with a controlled ink distribution therein, and method of filling the same | Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more | 1997-04-22 |
| 5583744 | Portable computer with detachable battery pack | Toshiaki Oguchi, Katsutoshi Mukaijima, Hideo Nakamura | 1996-12-10 |
| 5580468 | Method of fabricating head for recording apparatus | Takashi Fujikawa, Makoto Shibata, Junichi Kohayashi, Hirokazu Komuro, Isao Kimura +2 more | 1996-12-03 |
| 5570119 | Multilayer device having integral functional element for use with an ink jet recording apparatus, and recording apparatus | Ryoichi Koizumi, Tsutomu Kato | 1996-10-29 |
| 5567630 | Method of forming an ink jet recording device, and head using same | Shigeyuki Matsumoto, Yashiro Naruse, Kei Fujita | 1996-10-22 |
| 5508725 | Ink jet head having trapezoidal ink passages, ink cartridge and recording apparatus with same | Akira Goto, Kazuaki Masuda, Takashi Watanabe, Kunihiko Maeoka, Nobuyuki Kuwabara +9 more | 1996-04-16 |
| 5500666 | Capping member for indirectly venting the interior of an ink container, and recording cartridge and apparatus using same | Yoshifumi Hattori, Seiichiro Karita, Hideo Saikawa, Toshio Kashino, Akio Saito +7 more | 1996-03-19 |
| 5491505 | Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink | Toshio Suzuki, Makoto Shibata, Junichi Kobayashi, Hirokazu Komuro, Toshihiro Mori +4 more | 1996-02-13 |
| 5488395 | Liquid jet recording apparatus | Yoshiaki Takayanagi, Ryoichi Koizumi | 1996-01-30 |
| 5485184 | Ink jet recording head and ink jet apparatus having same | Hiroshi Nakagomi, Teruo Arashima, Kunihiko Maeoka, Takashi Ohba, Jun Kawai +11 more | 1996-01-16 |
| 5485182 | Liquid jet recording apparatus | Yoshiaki Takayanagi, Ryoichi Koizumi, Akira Nagatomo | 1996-01-16 |
| 5479197 | Head for recording apparatus | Takashi Fujikawa, Makoto Shibata, Junichi Kobayashi, Hirokazu Komuro, Isao Kimura +2 more | 1995-12-26 |
| 5477244 | Testing method and apparatus for judging a printing device on the basis of a test pattern recorded on a recording medium by the printing device | Masaru Shibata, Fumio Ichikawa, Akihiro Yamanaka | 1995-12-19 |
| 5436649 | Ink jet recording head having constituent members clamped together | Hiroshi Nakagomi, Teruo Arashima, Kunihiko Maeoka, Takashi Ohba, Jun Kawai +11 more | 1995-07-25 |
| 5389957 | Ink jet head with contoured outlet surface | Makiko Kimura, Toshio Kashino, Teruo Arashima, Hiroshi Sugitani, Yoshifumi Hattori +9 more | 1995-02-14 |
| 5371528 | Liquid jet head with nonlinear liquid passages having a diverging portion | Masaaki Izumida, Koichi Sato, Shigeaki Tanaka, Tsuguhiro Fukuda, Nobuyuki Kuwabara +9 more | 1994-12-06 |
| 5329304 | Remaining ink detecting device and ink jet head cartridge | Ryoichi Koizumi | 1994-07-12 |
| 5280299 | Ink filling method for ink jet recording apparatus | Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more | 1994-01-18 |
| 5264874 | Ink jet recording system | Shigeyuki Matsumoto, Yasuhiro Naruse, Kei Fujita | 1993-11-23 |
| 5262802 | Recording head assembly with single sealing member for ejection outlets and for an air vent | Seiichiro Karita, Hideo Saikawa, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda +5 more | 1993-11-16 |
| 5237342 | Ink jet head and ink jet recording apparatus having an ink container filled with porous material | Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more | 1993-08-17 |
| 5216448 | Ink jet recording head carriage and an apparatus with same | Yasuhiro Unosawa, Tetsuo Kimura, Kou Hasegawa, Masasumi Nagashima, Keiji Nagira +6 more | 1993-06-01 |
| 5212503 | Liquid jet recording head having a substrate with minimized electrode overlap | Ryoichi Koizumi, Tsutomu Kato | 1993-05-18 |