KO

Katsuhiro Oomori

HC Hitachi Koki Co.: 40 patents #8 of 888Top 1%
📍 Hitachinaka, JP: #95 of 2,447 inventorsTop 4%
Overall (All Time): #79,748 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
7375447 Power tool Atsushi Nakagawa, Yasuyuki Ooe 2008-05-20
7368843 Commutator motor Tomoyoshi Yokota, Shinichi Sakamoto, Chikai Yoshimizu, Tadayoshi Mineta, Kenichi Kato 2008-05-06
D567615 Portable electric driver Takeshi Taniguchi, Hitoshi Tsuzuki, Masanori Okada, Masato Sakai 2008-04-29
7344054 Power tool Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Takuya Teranishi 2008-03-18
7323796 Motor-driven tool Chikai Yoshimizu, Masanori Watanabe, Toshiyuki Nemoto, Shinki Ohtsu, Takuma Saito 2008-01-29
7185998 Power tool Chikai Yoshimizu, Hidekazu Harada, Nobuhiro Takano 2007-03-06
D524136 Portable electric driver Takeshi Taniguchi, Masato Sakai, Takashi Ozawa, Takuya Teranishi, Yoshihiro Komuro 2006-07-04
7064467 Commutator motor Tomoyoshi Yokota, Shinichi Sakamoto, Chikai Yoshimizu, Tadayoshi Mineta, Kenichi Kato 2006-06-20
7048075 Power tool Takuma Saito, Shinki Ohtsu, Yasuki Ohmori, Chikai Yoshimizu, Masanori Watanabe 2006-05-23
D520832 Portable electric driver Takashi Ozawa, Yoshitaka Suzuki, Yoshihiro Komuro 2006-05-16
6905052 Power tool Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Takuya Teranishi 2005-06-14
6679406 Power tool Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Takuya Teranishi 2004-01-20
D484385 Portable electric driver Masato Sakai, Yoshihiro Komuro 2003-12-30
6661148 Motor-driven tool Chikai Yoshimizu, Masanori Watanabe, Shinki Ohtsu, Takuma Saito, Toshiyuki Nemoto 2003-12-09
D477205 Impact driver Masato Sakai, Masanori Watanabe, Takuya Teranishi 2003-07-15