Issued Patents All Time
Showing 25 most recent of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877225 | Method of manufacturing an ink jet head | Hiroshi Sugitani, Masami Kasamoto, Tsuyoshi Orikasa, Masashi Miyagawa, Jun Kawai +1 more | 2005-04-12 |
| 6443567 | Liquid ejecting cartridge and recording device using same | Hiroki Hayashi, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Masaru Iketani +2 more | 2002-09-03 |
| 6439690 | Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more | 2002-08-27 |
| 6371594 | Ink jet recording head, an ink jet cartridge, and an ink jet recording apparatus | Wataru Takahashi, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki +1 more | 2002-04-16 |
| 6293652 | Method for coupling liquid jet head units, a liquid jet head unit, and a liquid jet head cartridge | Kazuaki Masuda, Junji Shimoda, Hajime Yamamoto, Minoru Nozawa, Akihiro Yamanaka +4 more | 2001-09-25 |
| 6290344 | Vented ink container with internal ink absorber, and ink cartridge having such an ink container | Hideo Saikawa, Seiichiro Karita, Toshio Kashino, Akio Saito, Hiroshi Nakagomi +10 more | 2001-09-18 |
| 6234618 | Ink absorbing body, ink tank, ink-jet cartridge and ink-jet printing apparatus | Hajime Yamamoto, Eiichiro Shimizu, Keisuke Matsuo, Jun Hinami, Wataru Takahashi | 2001-05-22 |
| 6231166 | Ink jet head | Jun Kawai, Hiroshi Sugitani, Masami Kasamoto, Tsuyoshi Orikasa, Hiroyuki Ishinaga +1 more | 2001-05-15 |
| 6220697 | Ink jet recording head and ink jet recording apparatus having such head | Akihiro Yamanaka, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki +2 more | 2001-04-24 |
| 6135589 | Ink jet recording head with ejection outlet forming member and urging member for assembling the head, and apparatus with such a head | Hiroshi Nakagomi, Kunihiko Maeoka, Takashi Ohba, Jun Kawai, Tsutomu Abe +11 more | 2000-10-24 |
| 6133926 | Ink jet head and method of producing the same | Jun Kawai, Kazuaki Masuda, Masami Kasamoto, Yuji Kamiyama | 2000-10-17 |
| 6113223 | Ink jet recording head with ink chamber having slanted surfaces to aid bubble removal | Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka +18 more | 2000-09-05 |
| 6059400 | Ink jet apparatus | Makiko Kimura, Toshio Kashino, Hiroshi Sugitani, Yoshifumi Hattori, Masami Ikeda +9 more | 2000-05-09 |
| 6048058 | Ink jet head, ink jet cartridge incorporating ink jet, and ink jet apparatus incorporating cartridge | Masami Kasamoto, Hiroshi Sugitani, Yasuroh Kashima, Kazuaki Masuda, Tsuyoshi Orikasa +5 more | 2000-04-11 |
| 5992981 | Ink jet head, ink jet apparatus, and method of and apparatus for manufacturing the head | Hiroshi Sugitani, Masami Kasamoto, Tsuyoshi Orikasa, Masashi Miyagawa, Jun Kawai +1 more | 1999-11-30 |
| 5940104 | Ink jet head having sealing member with opening | Seiichiro Karita, Norio Ohkuma, Megumi Saito, Masahiko Higuma | 1999-08-17 |
| 5917514 | Sealing member for ink cartridge | Masahiko Higuma, Takashi Watanabe, Hiroyuki Ishinaga, Takahisa Kawamura, Seiichiro Karita +5 more | 1999-06-29 |
| 5880762 | Ink jet head with preliminary heater element | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more | 1999-03-09 |
| D404067 | Ink cartridge for printer | Naoki Tashiro, Toshihiko Ujita, Yuji Hamasaki, Hisashi Yamamoto, Wataru Takahashi | 1999-01-12 |
| D402309 | Printing head for printer | Yuji Hamasaki, Wataru Takahashi | 1998-12-08 |
| 5841455 | Ink container for ink jet recording having two different ink absorbing materials including a fibrous material | Shigeaki Tanaka, Masami Ikeda, Naohito Asai, Nobuyuki Kuwabara, Makiko Kimura +1 more | 1998-11-24 |
| 5786832 | Ink-jet recording head | Akihiro Yamanaka, Takashi Watanabe, Hiroyuki Ishinaga, Takahisa Kawamura, Seiichiro Karita +5 more | 1998-07-28 |
| 5784079 | Ink jet head and ink jet apparatus on which the ink jet head is mounted | Kazuaki Masuda, Masami Kasamoto, Minoru Nozawa, Eiichiro Shimizu, Jun Kawai +1 more | 1998-07-21 |
| 5731828 | Ink jet head, ink jet head cartridge and ink jet apparatus | Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more | 1998-03-24 |
| D390869 | Ink cartridge for printer | Naoki Tashiro, Toshihiko Ujita, Yuji Hamasaki, Hisashi Yamamoto, Wataru Takahashi | 1998-02-17 |