AK

Atsuyuki Kikuchi

HC Hitachi Koki Co.: 9 patents #123 of 888Top 15%
KC Koki Holdings Co.: 2 patents #85 of 215Top 40%
📍 Hitachinaka, JP: #460 of 2,447 inventorsTop 20%
Overall (All Time): #454,896 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10618157 Power-actuated tool Hideyuki Hashimoto, Shingo Yamazaki, Kuniaki Kanbe, Satoshi Abe, Daijiro TANABE +1 more 2020-04-14
10569405 Impact tool 2020-02-25
D730139 Hammer Takeshi Taniguchi, Hiroyuki Hasegawa 2015-05-26
8261854 Reciprocating tool Tsukasa Suzuura, Hiroshi Haga, Kuniaki Kanbe, Tomoya Ikeda 2012-09-11
7836971 Power tool Tsukasa Suzuura 2010-11-23
D592028 Portable electric hammer drill Takeshi Taniguchi, Hitoshi Tsuzuki, Tomoyuki Kawahara, Shinichi Kakefuda, Shingo Yamazaki 2009-05-12
D520837 Portable electric hammer Hitoshi Tsuzuki, Masato Sakai, Takeshi Taniguchi 2006-05-16
6938705 Striking tool 2005-09-06
6907942 Percussion tool Masato Sakai 2005-06-21
D477206 Portable electric hammer Masato Sakai, Akihisa Yahagi 2003-07-15
6155356 Percussion tool Sinki Ohtsu, Mutsuo Harada, Akihisa Yahagi 2000-12-05