Issued Patents All Time
Showing 1–25 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9799526 | Liquid composition and etching method for etching silicon substrate | Hirohisa Fujita, Taichi Yonemoto | 2017-10-24 |
| 9472639 | Forming a liquid ejection head with through holes and a depression | Hiroyuki Shimoyama, Taichi Yonemoto, Masaki Ohsumi, Keiji Matsumoto, Seiichiro Yaginuma | 2016-10-18 |
| 9421773 | Process for producing liquid ejection head | Kazuhiro Asai, Keiji Matsumoto, Kunihito Uohashi | 2016-08-23 |
| 9211707 | Method for manufacturing inkjet recording head | Hirohisa Fujita, Hiroyuki Abo | 2015-12-15 |
| 9168750 | Manufacturing method of liquid discharging head | Koji Sasaki, Keiji Matsumoto, Seiichiro Yaginuma | 2015-10-27 |
| 9040431 | Method for processing silicon wafer | Hirohisa Fujita, Keiji Matsumoto, Kenta Furusawa | 2015-05-26 |
| 8951815 | Method for producing liquid-discharge-head substrate | Ryotaro Murakami, Keisuke Kishimoto, Kenta Furusawa | 2015-02-10 |
| 8904639 | Method of producing liquid ejection head | Keiji Matsumoto, Sakai Yokoyama, Kenji Fujii, Jun Yamamuro | 2014-12-09 |
| 8858812 | Processing method for an ink jet head substrate | Kenta Furusawa, Keiji Matsumoto, Keisuke Kishimoto, Kazuhiro Asai | 2014-10-14 |
| 8808555 | Method of manufacturing substrate for liquid discharge head | Keiji Watanabe, Hiroyuki Abo, Keiji Matsumoto | 2014-08-19 |
| 8771531 | Method of producing substrate for liquid ejection head | Kenta Furusawa, Hiroyuki Abo, Taichi Yonemoto | 2014-07-08 |
| 8753800 | Process for producing ejection orifice forming member and liquid ejection head | Kunihito Uohashi, Kazuhiro Asai, Keiji Matsumoto, Tetsuro Honda, Masaki Ohsumi | 2014-06-17 |
| RE44945 | Manufacturing method for ink jet recording head chip, and manfuacturing method for ink jet recording head | Toshiyasu Sakai, Kenji Ono, Jun Yamamuro | 2014-06-17 |
| 8492281 | Liquid composition, method of producing silicon substrate, and method of producing liquid discharge head substrate | Hiroyuki Abo, Taichi Yonemoto, Kenta Furusawa, Keisuke Kishimoto | 2013-07-23 |
| 8481249 | Method for manufacturing recording head | Keiji Matsumoto, Kazuhiro Asai, Tetsuro Honda, Kunihito Uohashi, Masaki Ohsumi | 2013-07-09 |
| 8438729 | Method of producing liquid discharge head | Satoshi Ibe, Yoshiaki Suzuki, Hiroto Komiyama | 2013-05-14 |
| 8429820 | Method of manufacturing liquid discharge head | Sakai Yokoyama, Kenji Fujii, Jun Yamamuro, Keiji Matsumoto, Tetsuro Honda +3 more | 2013-04-30 |
| 8377828 | Method of manufacturing a substrate for a liquid discharge head | Keiji Matsumoto, Hiroyuki Abo, Keiji Watanabe | 2013-02-19 |
| 8329047 | Method for producing liquid discharge head | Tadanobu Nagami, Junichi Kobayashi, Takeshi Terada, Makoto Watanabe, Hiroyuki Abo +8 more | 2012-12-11 |
| 8286350 | Method of manufacturing a liquid discharge head | Tsuyoshi Takahashi, Masaki Ohsumi, Masahisa Watanabe | 2012-10-16 |
| 8267503 | Ink jet recording head and manufacturing method therefor | Yoshiaki Suzuki, Satoshi Ibe, Hiroto Komiyama | 2012-09-18 |
| 8241540 | Method of manufacturing liquid discharge head | Masahisa Watanabe, Kenji Ono, Kenji Fujii, Shuhei Oya, Seiko Minami | 2012-08-14 |
| 8128204 | Liquid ejection head and method for manufacturing liquid ejection head | Noriyasu Ozaki, Junichi Kobayashi, Tadanobu Nagami, Yoshinori Tagawa, Kenji Fujii +8 more | 2012-03-06 |
| 8057017 | Ink jet recording head with ink supply ports having a cross-section with varying width | Toshiyasu Sakai, Kenji Ono, Jun Yamamuro | 2011-11-15 |
| 7930824 | Method of manufacturing ink jet recording head | Masaki Ohsumi, Yoshinori Tagawa, Hiroyuki Murayama, Kenji Fujii, Yoshinobu Urayama +1 more | 2011-04-26 |