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 26–28 of 28 patents

Patent #TitleCo-InventorsDate
7055937 Heat generating resistant element film, substrate for ink jet head utilizing the same, ink jet head and ink jet apparatus Hiroyuki Suzuki, Yukihiro Hayakawa, Yoshinori Kawasaki, Ichiro Saito, Toshiyasu Sakai 2006-06-06
5491505 Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink Toshio Suzuki, Asao Saito, Makoto Shibata, Junichi Kobayashi, Hirokazu Komuro +4 more 1996-02-13
5081474 Recording head having multi-layer matrix wiring Makoto Shibata, Masami Kasamoto, Shuji Koyama, Toshihiro Mori 1992-01-14