YO

Yasuo Okawa

Brother Kogyo: 12 patents #734 of 2,767Top 30%
KA Kajima: 1 patents #125 of 383Top 35%
Overall (All Time): #384,608 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8807674 Liquid droplet ejecting apparatus 2014-08-19
8202583 Method of manufacturing nozzle plate Yasunori Kobayashi 2012-06-19
7823288 Method of producing nozzle plate and said nozzle plate Atsushi Ito 2010-11-02
7802876 Actuator unit and manufacturing method thereof, and liquid ejection head Atsuo Sakaida 2010-09-28
7513041 Method for producing a nozzle plate Atsushi Ito 2009-04-07
7426783 Method of manufacturing an ink jet head Atsushi Ito 2008-09-23
7401897 Inkjet head Atsushi Ito 2008-07-22
5912526 Layered-type piezoelectric element and method for producing the layered-type piezoelectric element Yasuji Chikaoka, Atsuo Sakaida, Yoshihumi Suzuki, Yoshiyuki Ikezaki 1999-06-15
5860202 Method for producing a layered piezoelectric element Yasuji Chikaoka, Atsuo Sakaida, Yoshihumi Suzuki, Yoshiyuki Ikezaki 1999-01-19
5639508 Method for producing a layered piezoelectric element Yasuji Chikaoka, Atsuo Sakaida, Yoshihumi Suzuki, Yoshiyuki Ikezaki 1997-06-17
5459371 Multilayer piezoelectric element Yasuo Imoto 1995-10-17
5410847 Junction structure between steel member and structural member Akiyoshi Ito, Hiroshi Hayasaka, Toshio Saeki, Naoki Tanaka, Kiyobumi Sugawara 1995-05-02
5406164 Multilayer piezoelectric element Yasuji Chikaoka, Yasuo Imoto 1995-04-11