NT

Naoki Tsuruoka

HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
TC Tanaka Kogyo Co.: 1 patents #3 of 14Top 25%
Overall (All Time): #1,507,530 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9357702 Engine-powered work tool provided with stand Hideki Watanabe, Masayoshi Goto, Takeshi Matsuoka, Hiroyuki Hasegawa, Norihide Tao 2016-06-07
8935856 Chain saw 2015-01-20
6279521 Two-cycle engine Shigetoshi Ishida, Yasuhiro Sensui 2001-08-28