Issued Patents All Time
Showing 51–75 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945643 | Ink jet head storing structure and liquid filling method | Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto, Yasushi Iijima | 2005-09-20 |
| 6851795 | Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for same | Itaru Watanabe, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto +3 more | 2005-02-08 |
| 6805437 | Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method | Akihiro Yamanaka, Mitsuru Kurata, Yutaka Koizumi, Hiroyuki Maeda, Takeaki Shima +6 more | 2004-10-19 |
| 6799841 | Ink jet recording head, ink jet recording apparatus using such ink jet recording head, and method for manufacturing ink jet recording head | Junichiro Iri, Toshio Kashino, Hiroyuki Kigami, Hiroyuki Maeda, Akira Goto +1 more | 2004-10-05 |
| 6733117 | Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the same | Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto, Takeshi Kono +3 more | 2004-05-11 |
| 6688730 | Ink jet recording system and method of preserving recording head | Noriyasu Asaki, Hiroyuki Kigami, Teruo Ozaki | 2004-02-10 |
| 6652062 | LIQUID DISCHARGE RECORDING HEAD WITH ORIFICE PLATE HAVING EXTENDED PORTION FIXED TO RECORDING HEAD MAIN BODY, LIQUID DISCHARGE RECORDING APPARATUS HAVING SUCH HEAD, AND METHOD FOR MANUFACTURING SUCH HEAD | Mikiya Umeyama, Yutaka Koizumi, Yukuo Yamaguchi, Hideo Fukazawa, Nobuyuki Hatasa | 2003-11-25 |
| 6631966 | Recording head and recording apparatus with temperature control | Itaru Watanabe, Mitsuru Kurata, Takayuki Ono, Hiroaki Shirakawa | 2003-10-14 |
| 6631982 | Liquid ejecting apparatus | Toshihiro Sasaki, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto +1 more | 2003-10-14 |
| 6626514 | Liquid discharge recording head, method of manufacture therefor, and liquid discharge recording apparatus | Yutaka Koizumi, Yukuo Yamaguchi, Mikiya Umeyama, Nobuyuki Hatasa | 2003-09-30 |
| 6540343 | Liquid ejecting head unit and manufacturing method therefor | Mikiya Umeyama, Yukuo Yamaguchi | 2003-04-01 |
| 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 |
| D465803 | Protective cap for printing head | — | 2002-11-19 |
| 6467890 | Partitioned ink tank | Toshio Kashino, Masahiko Higuma, Takeshi Okazaki | 2002-10-22 |
| 6431696 | Ink tank unit, an ink jet cartridge having said ink tank unit and an ink jet apparatus having said ink jet cartridge | Toshio Kashino, Masahiko Higuma, Takeshi Okazaki | 2002-08-13 |
| 6431681 | Recording apparatus, liquid container cartridge and liquid container | Nobuyuki Hatasa, Yutaka Koizumi, Yukuo Yamaguchi, Hideo Fukazawa, Mikiya Umeyama | 2002-08-13 |
| D461493 | Printing head for printer | Itaru Watanabe, Toshihiro Sasaki, Takeshi Kono | 2002-08-13 |
| D461494 | Printing head for printer | Itaru Watanabe, Toshihiro Sasaki | 2002-08-13 |
| 6406137 | Ink-jet print head and production method of ink-jet print head | Takeshi Okazaki, Yutaka Koizumi, Kiyomi Aono, Tsutomu Abe, Kouichi Omata | 2002-06-18 |
| 6332675 | Ink container, ink and ink jet recording apparatus using ink container | Noribumi Koitabashi, Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi +13 more | 2001-12-25 |
| 6331051 | Ink jet recording head and a method of manufacture therefor | Yutaka Koizumi, Kiyomi Aono, Tsutomu Abe, Seiichiro Karita, Takeshi Okazaki +2 more | 2001-12-18 |
| 6328429 | Ink jet recording head and ink jet recording apparatus | Yutaka Koizumi, Kiyomi Aono, Tsutomu Abe, Takeshi Okazaki, Kouichi Omata | 2001-12-11 |
| 6286944 | Ink jet unit with cartridge having controlled ink flow | Eiichiro Shimizu, Masami Ikeda, Naohito Asai, Tsutomu Abe, Toshio Kashino +2 more | 2001-09-11 |
| 6257711 | Ink filling method and apparatus for ink cartridge | Masahiko Higuma, Masami Ikeda, Sadayuki Sugama, Tsutomu Abe, Hiroyuki Ishinaga +2 more | 2001-07-10 |