JK

Jiro Kato

SE Seiko Epson: 38 patents #330 of 7,774Top 5%
Mazda Motor: 7 patents #532 of 4,755Top 15%
HC Hogy Medical Co.: 2 patents #6 of 26Top 25%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
Overall (All Time): #57,892 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 25 most recent of 48 patents

Patent #TitleCo-InventorsDate
12426510 Piezoelectric element Takayuki Yonemura 2025-09-23
11731421 Liquid ejecting apparatus control method and liquid ejecting apparatus Hiromu Miyazawa, Kinya Ozawa 2023-08-22
11458728 Liquid ejecting apparatus control method and liquid ejecting apparatus Hiromu Miyazawa, Kinya Ozawa 2022-10-04
11378041 Air intake device for engine Taketoshi Yamauchi, Mitsunori Wasada, Ken Yoshida, Kenji Takami, Ryo Yamamoto +3 more 2022-07-05
11280301 Intake device of engine Yoshihiro Hamazume, Takashi Yoshikawa, Taketoshi Yamauchi, Hirofumi Shinohara, Kazuhiro Nakamura +5 more 2022-03-22
11236706 Evaporated fuel treatment device for engine Taketoshi Yamauchi, Ken Yoshida, Kenji Takami, Kazuaki Tanaka, Katsuya Rokuyama 2022-02-01
11103838 Jet injection device 2021-08-31
10900411 Engine with supercharger arrangement Ken Yoshida, Ryotaro Nishida, Hidesaku Ebesu, Mitsunori Wasada, Mitsutaka Yamaya +10 more 2021-01-26
10797393 Reading device antenna Toshihiko Sato, Yojiro YUTAKA, Koichi Matsushita, Kaoru Nayuki 2020-10-06
10788001 Structure of mounting intake air temperature sensor of engine with supercharger Mitsunori Wasada, Hidesaku Ebesu, Toshihiko Hirata, Tatsuya Koga, Shuhei Tsujita 2020-09-29
10702352 Bending treatment instrument operating portion Ryu NAKADATE, Hajime Kenmotsu, Makoto Hashizume, Hiroyasu Fujita, Shunsuke Nagai 2020-07-07
10598074 Exhaust device of multiple-cylinder engine Tatsuya Koga, Shinji Sumi, Haruna Yanagida, Norihisa Murata 2020-03-24
10059101 Liquid ejection head and liquid ejection apparatus Eiju Hirai, Shiro Yazaki, Koji Sumi, Motoki Takabe, Hiroshi Ito +4 more 2018-08-28
9804177 Stimulus-responsive gel material Satomi Yoshioka, Hiroshi Yagi 2017-10-31
9611777 Exhaust device of multi-cylinder engine Tatsuya Koga, Shinji Sumi, Haruna Yanagida, Norihisa Murata 2017-04-04
9498952 Liquid ejection head and liquid ejection apparatus Eiju Hirai, Shiro Yazaki, Koji Sumi, Motoki Takabe, Hiroshi Ito +4 more 2016-11-22
9272507 Liquid ejecting head and liquid ejecting apparatus Hiromu Miyazawa, Hiroshi Ito, Eiju Hirai, Toshihiro Shimizu 2016-03-01
9144977 Liquid ejection head and liquid ejection apparatus Eiju Hirai, Shiro Yazaki, Koji Sumi, Motoki Takabe, Hiroshi Ito +4 more 2015-09-29
9114613 Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric device Toshihiro Shimizu, Hiroshi Ito, Eiju Hirai 2015-08-25
9050800 Liquid ejecting head and liquid ejecting apparatus Hiroshi Ito, Yasumi Ikehara, Hiroyuki Tomimatsu 2015-06-09
8926070 Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric device Toshihiro Shimizu, Hiroshi Ito, Eiju Hirai 2015-01-06
8914955 Method for manufacturing piezoelectric element and method for manufacturing liquid ejection head Eiju Hirai, Hiroshi Ito, Toshihiro Shimizu 2014-12-23
8851631 Liquid ejecting head and liquid ejecting apparatus Ichiro ASAOKA, Mitsuhiro Wada, Satoshi Denda 2014-10-07
8819903 Manufacturing method of a piezoelectric element and a liquid ejecting head Toshihiro Shimizu, Eiju Hirai, Hiroshi Ito 2014-09-02
8752938 Liquid ejecting head and liquid ejecting apparatus Hiromu Miyazawa, Hiroshi Ito, Eiju Hirai, Toshihiro Shimizu 2014-06-17