SY

Sakai Yokoyama

Canon: 28 patents #2,044 of 19,416Top 15%
Overall (All Time): #139,526 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
8904639 Method of producing liquid ejection head Keiji Matsumoto, Shuji Koyama, Kenji Fujii, Jun Yamamuro 2014-12-09
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 Toshiyasu Sakai, Ichiro Saito, Teruo Ozaki, Takahiro Matsui, Takuya Hatsui +1 more 2013-07-23
8429820 Method of manufacturing liquid discharge head Shuji Koyama, Kenji Fujii, Jun Yamamuro, Keiji Matsumoto, Tetsuro Honda +3 more 2013-04-30
8129204 Liquid discharge head substrate, liquid discharge head using the substrate, and manufacturing method therefor Ichiro Saito, Teruo Ozaki, Takahiro Matsui, Takuya Hatsui, Kazuaki Shibata 2012-03-06
8123330 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 Toshiyasu Sakai, Ichiro Saito, Teruo Ozaki, Takahiro Matsui, Takuya Hatsui +1 more 2012-02-28
8079675 Ink jet recording head and manufacturing method of ink jet recording head Teruo Ozaki, Ichiro Saito, Kenji Ono, Satoshi Ibe, Toshiyasu Sakai +1 more 2011-12-20
7967421 Ink jet print head and method for manufacturing ink jet print head Yuki Kozuka, Yoshinori Misumi, Ichiro Saito 2011-06-28
7954238 Method of manufacturing ink jet circuit board with heaters and electrodes constructed to reduce corrosion Kazuaki Shibata, Kenji Ono, Teruo Ozaki, Satoshi Ibe, Ichiro Saito +1 more 2011-06-07
7950769 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 Toshiyasu Sakai, Ichiro Saito, Teruo Ozaki, Takahiro Matsui, Takuya Hatsui +1 more 2011-05-31
7862155 Ink jet head circuit board, method of manufacturing the same and ink jet head using the same Kazuaki Shibata, Kenji Ono, Teruo Ozaki, Satoshi Ibe, Ichiro Saito +1 more 2011-01-04
7857429 Ink jet recording head and manufacturing method of ink jet recording head Teruo Ozaki, Ichiro Saito, Kenji Ono, Satoshi Ibe, Toshiyasu Sakai +1 more 2010-12-28
7798595 Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing head Takuya Hatsui, Teruo Ozaki, Ichiro Saito, Kazuaki Shibata, Takahiro Matsui 2010-09-21
7712875 Base member for liquid discharge head, liquid discharge head utilizing the same, and producing method therefor Kazuaki Shibata, Takahiro Matsui, Ichiro Saito, Takuya Hatsui, Teruo Ozaki 2010-05-11
7681993 Circuit board for ink jet head, method of manufacturing the same, and ink jet head using the same Kenji Ono, Teruo Ozaki, Toshiyasu Sakai, Ichiro Saito, Satoshi Ibe +1 more 2010-03-23
7669981 Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate Teruo Ozaki, Ichiro Saito, Kenji Ono, Satoshi Ibe, Kazuaki Shibata +1 more 2010-03-02
7641316 Ink jet head circuit board, method of manufacturing the same and ink jet head using the same Toshiyasu Sakai, Teruo Ozaki, Kenji Ono, Ichiro Saito, Satoshi Ibe +1 more 2010-01-05
7591071 Manufacturing Method of Semiconductive Element and Ink Jet Head Substrate Satoshi Ibe, Teruo Ozaki, Ichiro Saito, Kenji Ono, Kazuaki Shibata +1 more 2009-09-22
7566116 Ink jet head circuit board, method of manufacturing the same and ink jet head using the same Ichiro Saito, Toshiyasu Sakai, Teruo Ozaki, Kenji Ono, Satoshi Ibe +1 more 2009-07-28
7533969 Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate Teruo Ozaki, Ichiro Saito, Kenji Ono, Satoshi Ibe, Kazuaki Shibata +1 more 2009-05-19
7472975 Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing head Takuya Hatsui, Teruo Ozaki, Ichiro Saito, Kazuaki Shibata, Takahiro Matsui 2009-01-06
7393084 Substrate for ink jet head with TaCr alloy protective layer, ink jet head utilizing the same and producing method therefor Ichiro Saito, Teruo Ozaki, Toshiyasu Sakai 2008-07-01
7374275 Ink jet head circuit board with heaters and electrodes constructed to reduce corrosion, method of manufacturing the same and ink jet head using the same Kazuaki Shibata, Kenji Ono, Teruo Ozaki, Satoshi Ibe, Ichiro Saito +1 more 2008-05-20
7338150 Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same Satoshi Ibe, Teruo Ozaki, Yoshiyuki Imanaka, Takuya Hatsui, Kenji Ono +3 more 2008-03-04
7306327 Substrate for ink jet head, ink jet head using the same, and manufacturing method thereof Toshiyasu Sakai, Ichiro Saito, Teruo Ozaki 2007-12-11
7255426 Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same Satoshi Ibe, Teruo Ozaki, Yoshiyuki Imanaka, Takuya Hatsui, Kenji Ono +3 more 2007-08-14