SO

Shinki Ohtsu

HC Hitachi Koki Co.: 39 patents #9 of 888Top 2%
HC Hitachi Koko Co.: 1 patents #1 of 33Top 4%
📍 Ibaraki, JP: #110 of 6,779 inventorsTop 2%
Overall (All Time): #79,913 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
7073605 Impact drill Takuma Saito, Hideki Watanabe, Junichi Toukairin 2006-07-11
7048075 Power tool Takuma Saito, Yasuki Ohmori, Chikai Yoshimizu, Katsuhiro Oomori, Masanori Watanabe 2006-05-23
7044090 Combustion type power tool facilitating cleaning to internal cleaning target Yasuki Ohmori 2006-05-16
6951194 Combustion type power tool Tomomasa Nishikawa, Yasuki Ohmori 2005-10-04
6779612 Power tool having air discharge windows Tomomasa Nishikawa 2004-08-24
6695195 Combustion-powered nail gun Tomomasa Nishikawa 2004-02-24
6661148 Motor-driven tool Katsuhiro Oomori, Chikai Yoshimizu, Masanori Watanabe, Takuma Saito, Toshiyuki Nemoto 2003-12-09
6338708 Centrifuge with a suspension for locating the drive in an axial direction Masahiro Miura, Tadashi Ohkawara 2002-01-15
6132354 Automatic ball balancer for rotating machine Mitsuyuki Ishikawa, Masanori Yoshioka 2000-10-17
5199626 Combustion gas powered tool Tsunehisa Terayama, Takuji Torii, Hiromu Utsumi, Teruo Suzuki, Toshifumi Kubota +3 more 1993-04-06
5090606 Combustion gas powered fastener driving tool Takuji Torii, Hiromu Utsumi, Yo Kawakami, Teruo Suzuki, Yoshimitsu Kawasaki +3 more 1992-02-25
5052500 Vibroisolating handle joint structure for power tool 1991-10-01
4936394 Vibroisolating handle joint structure for power tool 1990-06-26
4913331 Internal-combustion piston driving apparatus having a decompression channel Hiromu Utsumi, Yo Kawakami 1990-04-03
4773581 Combustion gas powered tool Yo Kawakami, Hiromu Utsumi 1988-09-27