YE

Yasuo Etou

HC Hitachi Koki Co.: 8 patents #145 of 888Top 20%
📍 Oarai, JP: #7 of 60 inventorsTop 15%
Overall (All Time): #644,719 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9486867 Chainsaw Satoru Matsuno, Kouji Sagawa, Miyoji Onose, Yasutaka Shimizu, Ai Nakayama 2016-11-08
9381638 Power tool Ai Nakayama, Toshihiko Tachibana, Miyoji Onose, Hiroshi Yamaguchi 2016-07-05
9381665 Chainsaw Miyoji Onose, Kouji Sagawa, Satoru Matsuno, Ai Nakayama, Yasutaka Shimizu 2016-07-05
9254563 Power tool Hiroshi Yamaguchi, Toshihiko Tachibana, Miyoji Onose, Ai Nakayama 2016-02-09
9044875 Chain saw Yasutaka Shimizu, Kouji Sagawa, Satoru Matsuno, Ai Nakayama, Miyoji Onose 2015-06-02
D499945 Impact driver Nobuhisa Sugawara, Takashi Ozawa 2004-12-21
D496843 Portable electric driver drill Nobuhisa Sugawara, Takashi Ueda 2004-10-05
D440850 Portable electric screw driver Takashi Ozawa 2001-04-24