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 1–25 of 40 patents

Patent #TitleCo-InventorsDate
9950417 Power tool Yutaka Ito, Mizuho Nakamura, Tomomasa Nishikawa, Hironori Mashiko 2018-04-24
9616558 Impact tool Tomomasa Nishikawa, Nobuhiro Takano, Hideyuki Tanimoto, Kazutaka Iwata, Hironori Mashiko +6 more 2017-04-11
9590475 Electric power tool Junichi Tokairin, Hiroki Uchida 2017-03-07
9522461 Impact tool Mizuho Nakamura, Yutaka Ito, Nobuhiro Takano, Tomomasa Nishikawa, Hironori Mashiko +1 more 2016-12-20
9391491 Power tool Kenichirou Yoshida, Yoshihiro Komuro, Kazutaka Iwata 2016-07-12
9314908 Impact tool Hideyuki Tanimoto, Nobuhiro Takano, Tomomasa Nishikawa, Kazutaka Iwata, Hironori Mashiko +6 more 2016-04-19
9126316 Electric tool 2015-09-08
9048699 Power tool Junichi Toukairin, Nobuhiro Takano, Kazutaka Iwata, Tomomasa Nishikawa 2015-06-02
8627900 Electric power tool Junichi Toukairin, Hiroki Uchida 2014-01-14
8579042 Battery pack and cordless tool using the same Hiroyuki Hanawa, Kiyoshi Kato, Kazuhiko Funabashi 2013-11-12
8541913 Power tool Kenichirou Yoshida, Yoshihiro Komuro, Kazutaka Iwata 2013-09-24
8517558 Power tool Chikai Yoshimizu, Hidekazu Harada, Nobuhiro Takano 2013-08-27
8381829 Battery pack and cordless tool using the same Hiroyuki Hanawa, Kiyoshi Kato, Kazuhiko Funabashi 2013-02-26
8253285 Power tool Kenichirou Yoshida, Yoshihiro Komuro, Kazutaka Iwata 2012-08-28
8198835 Cordless power tool and battery device used for same Kousei Yokoyama, Kazuhiko Funabashi 2012-06-12
8087556 Power tool Tomoyuki Hoshi, Hideki Ishida, Masato Sakai, Takuya Teranishi, Takeshi Taniguchi +4 more 2012-01-03
8084901 Power tool Yoshihiro Komuro, Kenichirou Yoshida, Kazutaka Iwata 2011-12-27
7934847 Power tool with light unit Chikai Yoshimizu, Hidekazu Harada, Nobuhiro Takano 2011-05-03
7832499 Electric tool with closable air ports Yoshihiro Komuro 2010-11-16
7677752 Power tool equipped with light Naoki Tadokoro, Takuma Saito, Takuya Teranishi, Kazuhiko Funabashi 2010-03-16
7541773 Battery-powered tool capable of detecting discharged battery pack Kazuhiko Funabashi, Nobuhiro Takano, Chikai Yoshimizu, Yoshihiro Komuro 2009-06-02
7508109 Commutator motor Tomoyoshi Yokota, Shinichi Sakamoto, Chikai Yoshimizu, Tadayoshi Mineta, Kenichi Kato 2009-03-24
7490746 Power tool Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Takuya Teranishi 2009-02-17
7455121 Power tool Takuma Saito, Shinki Ohtsu, Yasuki Ohmori, Chikai Yoshimizu, Masanori Watanabe 2008-11-25
7416031 Impact tool Takuhiro Murakami, Junichi Kamimura, Shinki Ohtsu, Hiroto Inagawa 2008-08-26