Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38710 | Laser process for making a filter for an ink jet | Akira Goto, Masaki Inaba, Yutaka Koizumi, Tsuyoshi Orikasa, Toshio Kashino +7 more | 2005-03-15 |
| 6582065 | Liquid ejection method, head and apparatus | Takeshi Okazaki, Toshio Kashino, Hiroshi Tajika, Aya Yoshihira, Kiyomitsu Kudo +3 more | 2003-06-24 |
| 6499828 | Manufacturing method of ink jet head, ink jet head manufactured by same and ink jet device having ink jet head | Masaru Iketani, Yutaka Koizumi, Toshio Kashino, Seiichiro Karita, Haruhiko Terai +3 more | 2002-12-31 |
| 6488365 | Liquid discharging head | Kiyomitsu Kudo, Yutaka Koizumi, Sadayuki Sugama, Kiyomi Aono, Tsutomu Abe +8 more | 2002-12-03 |
| 6409300 | Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head | Yoshiyuki Imanaka, Masaki Inaba, Masami Ikeda, Yutaka Koizumi, Tsuyoshi Orikasa +13 more | 2002-06-25 |
| 6406137 | Ink-jet print head and production method of ink-jet print head | Takeshi Okazaki, Yutaka Koizumi, Kiyomi Aono, Tsutomu Abe, Hiroki Tajima | 2002-06-18 |
| 6361145 | Ink jet recording head, method of producing same, and ink jet recording apparatus | Shin Ishimatsu, Tsutomu Abe, Takeshi Okazaki | 2002-03-26 |
| 6331051 | Ink jet recording head and a method of manufacture therefor | Hiroki Tajima, Yutaka Koizumi, Kiyomi Aono, Tsutomu Abe, Seiichiro Karita +2 more | 2001-12-18 |
| 6328429 | Ink jet recording head and ink jet recording apparatus | Hiroki Tajima, Yutaka Koizumi, Kiyomi Aono, Tsutomu Abe, Takeshi Okazaki | 2001-12-11 |
| 6252616 | Liquid ejection method, head and apparatus in which an amount of liquid ejected is controlled | Takeshi Okazaki, Toshio Kashino, Hiroshi Tajika, Aya Yoshihira, Kiyomitsu Kudo +3 more | 2001-06-26 |
| 6168254 | Ink jet recording apparatus | Seiichiro Karita, Masaki Inaba, Yutaka Koizumi, Tsuyoshi Orikasa, Toshio Kashino +7 more | 2001-01-02 |
| 6132036 | Ink tank, production process of ink tank and ink-jet printing apparatus | Tsutomu Abe, Yutaka Koizumi, Kiyomi Aono, Seiichiro Karita, Hiroki Tajima | 2000-10-17 |
| 6116714 | Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head | Yoshiyuki Imanaka, Masaki Inaba, Masami Ikeda, Yutaka Koizumi, Tsuyoshi Orikasa +13 more | 2000-09-12 |
| 6062666 | Ink jet recording method and apparatus beginning driving cycle with discharge elements other than at ends of substrates | Yutaka Koizumi, Toshio Kashino, Seiichiro Karita, Haruhiko Terai, Hiroki Tajima +1 more | 2000-05-16 |
| 6048049 | Laser processing method, an ink jet recording head, and a system for manufacturing ink jet recording heads | Shin Ishimatsu, Masaki Inaba, Tsutomu Abe, Akira Goto, Masao Furukawa +2 more | 2000-04-11 |
| 5956062 | Liquid jet recording apparatus and recovery method therefor | Tsutomu Harada, Tatsuya Fukushima | 1999-09-21 |
| 5953031 | Ink tank with ink container and waste ink container | Yutaka Koizumi, Kiyomi Aono, Tsutomu Abe, Seiichiro Karita, Hiroki Tajima +1 more | 1999-09-14 |
| 5940957 | Laser process for making a filter for an ink jet | Akira Goto, Masaki Inaba, Yutaka Koizumi, Tsuyoshi Orikasa, Toshio Kashino +7 more | 1999-08-24 |
| 5933163 | Ink jet recording apparatus | Yutaka Koizumi, Hiroshi Sugitani, Masaki Inaba, Masami Ikeda, Masami Kasamoto +9 more | 1999-08-03 |
| 5867200 | Print head, and print pre-heat method and apparatus using the same | Hiroki Tajima, Yutaka Koizumi, Toshio Kashino, Seiichiro Karita, Haruhiko Terai +1 more | 1999-02-02 |
| 5826333 | Method of manufacturing an ink jet head | Masaru Iketani, Yutaka Koizumi, Toshio Kashino, Seiichiro Karita, Haruhiko Terai +3 more | 1998-10-27 |
| 5748213 | Ink jet head having plural elemental substrates, apparatus having the ink jet head, and method for manufacturing the ink jet head | Seiichiro Karita, Hiroshi Sugitani, Yutaka Koizumi, Toshio Kashino, Haruhiko Terai +5 more | 1998-05-05 |
| D375975 | Printing head | Yutaka Koizumi, Toshio Kashino, Seiichiro Karita, Kiyomi Aono, Hiroki Tajima | 1996-11-26 |