HN

Hiroyasu Nishikawa

Caterpillar: 7 patents #907 of 8,398Top 15%
Kawasaki: 5 patents #446 of 2,943Top 20%
YC Yanmar Holdings Co.: 4 patents #130 of 636Top 25%
SM Shin Caterpillar Mitsubishi: 3 patents #24 of 184Top 15%
Overall (All Time): #237,954 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10274047 Planetary gear device with inward flange having recesses Tetsuya Matsuoka, Takahiko BANNO, Masato Asahara, Kazuhiro Sato 2019-04-30
10259538 Liquefied gas tank and on-water structure including the same Atsushi Sano, Naruyoshi Izumi, Yukichi Takaoka, Toshifumi Fukasawa, Hideki Kumamoto +1 more 2019-04-16
9726062 Engine device Shinji Nishimura, Taichi Togashi 2017-08-08
9309649 Work machine Sei Shimahara, Manabu Nakanishi, Masashi Shibata 2016-04-12
9103095 Hydraulic circuit control device and work machine Sei Shimahara, Manabu Nakanishi, Masashi Shibata 2015-08-11
9051904 Engine 2015-06-09
8968148 Planetary gear reducer Tetsuya Matsuoka, Kazuhiro Sato, Hideyuki Imai, Tatsuhiko Goi 2015-03-03
8899035 Hydraulic control apparatus for work machine Seiichi Akiyama, Yusuke Shimizu, Atsunobu Doi, Sei Shimahara, Manabu Nakanishi +1 more 2014-12-02
8539762 Hydraulic control circuit for construction machine Yoshiyuki Shimada, Masaru Mishima, Yutaka Yokoyama 2013-09-24
8398525 Planetary gear reduction system Tetsuya Matsuoka, Tooru Nishida, Hirofumi Akahori, Hideyuki Imai, Tatsuhiko Goi 2013-03-19
8348803 Planetary reduction gear apparatus Tetsuya Matsuoka, Tooru Nishida, Hirofumi Akahori, Tatsuhiko Goi 2013-01-08
7958907 Fluid pressure circuit Sei Shimahara 2011-06-14
7930970 Control unit for work machine Sei Shimahara, Manabu Nakanishi 2011-04-26
7926411 Valve control unit Sei Shimahara, Manabu Nakanishi 2011-04-19
7243642 Breather device of engine Satoshi Iwata, Yasuhiro Ozaki, Michio Sakata, Kaichi Takeuchi 2007-07-17
6778097 Remote radio operating system, and remote operating apparatus, mobile relay station and radio mobile working machine Shigeo Kajita, Katsusuke Awano, Shoji Tozawa, Masatoshi Miki 2004-08-17
D482045 Internal combustion engine Satoshi Iwata 2003-11-11
6601877 Piping structure of a working machine Takahiro Iwamoto, Toshiyuki Matsumoto 2003-08-05
6408875 Piping structure of a working machine Takahiro Iwamoto, Toshiyuki Matsumoto 2002-06-25