KI

Kazutaka Iwata

HC Hitachi Koki Co.: 22 patents #26 of 888Top 3%
KC Koki Holdings Co.: 11 patents #6 of 215Top 3%
📍 Hitachinaka, JP: #122 of 2,447 inventorsTop 5%
Overall (All Time): #102,333 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
11770088 Electric power tool Toshiaki Koizumi 2023-09-26
11675014 Power tool 2023-06-13
11511387 Electric tool Takuya Yoshinari 2022-11-29
11440166 Impact tool and method of controlling impact tool Yoshihiro Komuro 2022-09-13
11099241 Power tool 2021-08-24
11070160 Electric power tool Toshiaki Koizumi 2021-07-20
10562160 Impact tool and method of controlling impact tool Yoshihiro Komuro 2020-02-18
10525579 Electric tool Hironori Mashiko, Yuta Noguchi 2020-01-07
10505473 Electric tool Nobuhiro Takano, Toshiaki Koizumi, Naoki Tadokoro, Hiroshi Haga, Shinichirou Satou 2019-12-10
10411620 Power tool Kazuhiko Funabashi 2019-09-10
10183384 Power tool Nobuhiro Takano 2019-01-22
10171011 Electric tool Nobuhiro Takano 2019-01-01
10033323 Electric power tool Toshiaki Koizumi 2018-07-24
9793847 Electric power tool Toshiaki Koizumi 2017-10-17
9769990 Power tool Toshiaki Koizumi, Yasutaka Shimizu 2017-09-26
9768713 Electric tool Toshiaki Koizumi, Naoki Tadokoro, Eiji Nakayama 2017-09-19
9616558 Impact tool Tomomasa Nishikawa, Nobuhiro Takano, Hideyuki Tanimoto, Hironori Mashiko, Hayato Yamaguchi +6 more 2017-04-11
9555537 Portable tool Yasutaka Shimizu, Shogo Shibata 2017-01-31
9391491 Power tool Kenichirou Yoshida, Katsuhiro Oomori, Yoshihiro Komuro 2016-07-12
9314908 Impact tool Hideyuki Tanimoto, Nobuhiro Takano, Tomomasa Nishikawa, Hironori Mashiko, Hayato Yamaguchi +6 more 2016-04-19
9314855 Electric boring tool Takahiro Ookubo 2016-04-19
9114519 Electric rotating tool Kenichirou Yoshida, Shinji Watanabe 2015-08-25
9048699 Power tool Katsuhiro Oomori, Junichi Toukairin, Nobuhiro Takano, Tomomasa Nishikawa 2015-06-02
8931576 Power tool for performing soft-start control appropriated for motor load 2015-01-13
8925645 Oil pulse tool Tetsuhiro Harada, Tomomasa Nishikawa, Shinki Ohtsu, Nobuhiro Takano 2015-01-06