TK

Takashi Kawamata

HC Hitachi Koki Co.: 4 patents #273 of 888Top 35%
KC Koki Holdings Co.: 1 patents #124 of 215Top 60%
📍 Ibaraki, JP: #1,893 of 6,779 inventorsTop 30%
Overall (All Time): #898,001 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12194606 Working machine Masahiro Miura, Kazuhiro OOTSUKA 2025-01-14
9967920 Electric device outputting light, wind, heat or sound Takafumi Itoh, Masato Sakai, Yoshinori Ishizawa, Masanori Okada, Hiroyuki Hasegawa 2018-05-08
8740672 Power tool Shigeyoshi Kobayashi 2014-06-03
8230606 Electric tool Kenichirou Yoshida, Yoshio Osada, Mizuho Nakamura, Satsuo Sato, Junichi Kamimura 2012-07-31
7357195 Power tool and gear unit assembled therein Junichi Kamimura, Hiroto Inagawa, Kenichirou Yoshida 2008-04-15