MI

Mitsuyuki Ishikawa

HC Hitachi Koki Co.: 6 patents #189 of 888Top 25%
📍 Hitachinaka, JP: #760 of 2,447 inventorsTop 35%
Overall (All Time): #876,798 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6863135 Electric power tool Junichi Kamimura, Mitsuo Ogura, Yoshimitsu Kawasaki, Juurou Kobayashi, Naoya Eto +4 more 2005-03-08
6619410 Electric power tool Junichi Kamimura, Mitsuo Ogura, Yoshimitsu Kawasaki, Juurou Kobayashi, Naoya Eto +4 more 2003-09-16
6132354 Automatic ball balancer for rotating machine Shinki Ohtsu, Masanori Yoshioka 2000-10-17
6089835 Portable compressor Tsukasa Suzuura, Mitsuo Ogura, Toshifumi Kubota, Mitsuhiro Sunaoshi 2000-07-18
5829306 Gear shock absorbing mechanism Yoshiichi Komazaki 1998-11-03
5601149 Noise reduction mechanism for percussion tools Yoshimitsu Kawasaki, Takao Tanabe, Toshiaki Uchida 1997-02-11