Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9358779 | Apparatus and method for driving the same | Akira Yamamoto, Yasuhiko Osaki, Toshiaki Hirosawa | 2016-06-07 |
| 8894182 | Liquid discharge head | Yasuhiko Osaki, Toshiaki Hirosawa, Hiroki Tajima, Akira Yamamoto | 2014-11-25 |
| 8534798 | Ink jet recording head | Shuzo Iwanaga | 2013-09-17 |
| 8419167 | Liquid discharge head and liquid discharge apparatus | Toshiaki Hirosawa, Hiroki Tajima, Akira Yamamoto | 2013-04-16 |
| 8353576 | Liquid discharge head and electric wiring substrate | Akira Yamamoto, Toshiaki Hirosawa, Hiroki Tajima | 2013-01-15 |
| 7771020 | Ink jet recording head | Toshiaki Hirosawa, Shuzo Iwanaga | 2010-08-10 |
| 7386250 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2008-06-10 |
| 6978101 | Toner supply container detachably mounted to an image forming apparatus including a coupling projection | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2005-12-20 |
| 6968139 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2005-11-22 |
| 6910759 | Liquid discharge recording head cartridge and liquid discharge recording apparatus | Shogo Kawamura, Toshiaki Hirosawa, Minoru Nozawa, Kenta Udagawa, Shuzo Iwanaga +1 more | 2005-06-28 |
| 6896359 | Ink jet recording head and method for manufacturing ink jet recording head | Toshiaki Hirosawa, Osamu Morita, Osamu Sato, Kenta Udagawa, Shuzo Iwanaga | 2005-05-24 |
| RE38737 | Toner supply container detachably mountable to a main assembly of an electrographic image forming apparatus and a sealing member usable with the toner supply container | Yutaka Ban, Shinichi Onodera, Kazuhiko Omata, Ayumu Murakami, Katsuya Murakami | 2005-05-24 |
| 6853828 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2005-02-08 |
| 6792228 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2004-09-14 |
| 6659591 | Ink jet recording head and producing method for the same | Osamu Sato, Mineo Kaneko, Yasutomo Watanabe, Shuzo Iwanaga | 2003-12-09 |
| 6652702 | Ink jet recording head and method for manufacturing ink jet recording head | Toshiaki Hirosawa, Osamu Morita, Osamu Sato, Kenta Udagawa, Shuzo Iwanaga | 2003-11-25 |
| 6594458 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2003-07-15 |
| 6591078 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2003-07-08 |
| 6467889 | Ink tank and method of manufacture therefor | Masami Ikeda, Osamu Sato | 2002-10-22 |
| D451541 | Ink cartridge with printing head for printer | Toshiaki Hirosawa, Kenta Udagawa, Shuzo Iwanaga | 2001-12-04 |
| D448798 | Ink tank for computer printer | Hisakazu Shimizu, Osamu Sato | 2001-10-02 |
| 6293662 | Ink tank coupling method, ink jet recording apparatus, and ink tank | Makoto Shihoh, Osamu Sato, Masatoshi Ikkatai, Yoshimasa Araki | 2001-09-25 |
| 6276789 | Ink tank and method of manufacture therefor | Masami Ikeda, Osamu Sato | 2001-08-21 |
| 6266505 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2001-07-24 |
| 6259874 | Toner accommodating container part, toner supply container and electrophotographic image forming apparatus | Ayumu Murakami, Kazuaki Aoki, Shinichi Onodera, Hajime Sekiguchi | 2001-07-10 |