EO

Eisaku Oka

HC Hitachi Koki Co.: 4 patents #273 of 888Top 35%
HC Hitachi Koki Haramachi Co.: 1 patents #5 of 9Top 60%
Overall (All Time): #1,018,728 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8230768 Miter saw Hiromi Ozawa, Nobuhiro Takano, Hideaki Terashima 2012-07-31
7778796 Miter saw for displaying angle of cutter blade cutting workpiece Nobuhiro Takano, Hiromi Ozawa, Yoshikazu Kawano, Kenrou Ishimaru, Tomoyuki Kawahara +1 more 2010-08-17
7039548 Miter saw for displaying angle of cutter blade cutting workpiece Nobuhiro Takano, Hiromi Ozawa, Yoshikazu Kawano, Kenrou Ishimaru, Tomoyuki Kawahara +1 more 2006-05-02
6543323 Vice device in compound miter saw Toshihiko Hayashizaki, Hiromi Ozawa 2003-04-08
D328080 Electric plane Hiromi Ozawa, Yoshio Matsumoto, Yoshimasa Hayama 1992-07-21