TS

Toshiyasu Sakai

Canon: 51 patents #700 of 19,416Top 4%
NC Nippondenso Co.: 10 patents #165 of 3,479Top 5%
Overall (All Time): #37,894 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 25 most recent of 61 patents

Patent #TitleCo-InventorsDate
12122162 Method for manufacturing liquid discharge head and liquid discharge head Takumi Shimoda, Kazuaki Shibata, Atsunori Terasaki, Ryoji Kanri 2024-10-22
10583656 Liquid discharge head, recording apparatus, and method of manufacturing liquid discharge head Masataka Kato, Atsunori Terasaki, Takayuki Kamimura, Shuichi Tamatsukuri, Hiroshi Higuchi 2020-03-10
10518531 Liquid ejection head substrate Hiroshi Higuchi, Masataka Kato, Takayuki Kamimura 2019-12-31
10052870 Liquid supply substrate, method of producing the same, and liquid ejecting head 2018-08-21
9956776 Method for producing liquid-ejection head Masahisa Watanabe 2018-05-01
9925776 Method of manufacturing semiconductor chips for liquid discharge head Tomohiro Takahashi, Toru Kawaguchi, Masataka Kato 2018-03-27
9914295 Method for manufacturing structure Hiroshi Higuchi, Masataka Kato, Yoshinao Ogata, Takayuki Kamimura, Tetsushi Ishikawa +7 more 2018-03-13
9789689 Method of forming through-substrate Yoshinao Ogata, Seiko Minami, Masataka Kato, Masaya Uyama, Hiroshi Higuchi 2017-10-17
9676193 Substrate processing method and method of manufacturing substrate for liquid discharge head including forming hole in substrate by dry etching Masataka Kato, Hiroshi Higuchi, Yoshinao Ogata, Seiko Minami, Masaya Uyama 2017-06-13
9586400 Liquid discharge head, liquid discharge apparatus, and method of manufacturing liquid discharge head Masataka Kato, Yoshinao Ogata, Takayuki Kamimura, Hiroshi Higuchi 2017-03-07
9511588 Method for processing silicon substrate Seiko Minami, Masataka Kato, Masaya Uyama, Hiroshi Higuchi, Yoshinao Ogata 2016-12-06
9371225 Substrate processing method Seiko Minami 2016-06-21
9139003 Method for producing liquid-ejection head Masahisa Watanabe 2015-09-22
9102153 Processes for producing substrate for liquid ejection head Masataka Kato, Kenji Kumamaru 2015-08-11
9067460 Dry etching method Hiroyuki Abo, Kazuya Abe 2015-06-30
9004650 Liquid discharge head, cleaning method for liquid discharge head, liquid discharge apparatus, and substrate for liquid discharge head Yuzuru Ishida, Takahiro Matsui, Yoshinori Misumi, Maki Kato, Norihiro Yoshinari +2 more 2015-04-14
8980110 Method of manufacturing liquid ejection head and method of processing substrate Masahisa Watanabe, Kazuhiro Hayakawa 2015-03-17
8865009 Processes for producing substrate with piercing aperture, substrate for liquid ejection head and liquid ejection head 2014-10-21
RE44945 Manufacturing method for ink jet recording head chip, and manfuacturing method for ink jet recording head Shuji Koyama, Kenji Ono, Jun Yamamuro 2014-06-17
8647896 Process for producing a substrate for a liquid ejection head 2014-02-11
8597529 Method for processing substrate and method for producing liquid ejection head and substrate for liquid ejection head Keisuke Kishimoto, Satoshi Ibe, Takuya Hatsui, Shimpei Otaka, Hiroto Komiyama +2 more 2013-12-03
8491087 Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head Ichiro Saito, Teruo Ozaki, Sakai Yokoyama, Takahiro Matsui, Takuya Hatsui +1 more 2013-07-23
8408681 Liquid discharge head having an increased rigidity Masaya Uyama 2013-04-02
8366950 Liquid-ejection head and method for manufacturing liquid-ejection head substrate Mitsuru Chida, Noriyasu Ozaki, Hiroyuki Abo, Kazuya Abe, Kenji Ono 2013-02-05
8163187 Process of producing liquid discharge head Hiroyuki Abo, Masaki Ohsumi, Noriyasu Ozaki, Mitsuru Chida, Kazuya Abe 2012-04-24