RI

Ryuji Ichikawa

Nintendo Co.: 2 patents #671 of 1,476Top 50%
HO Hosiden: 1 patents #173 of 328Top 55%
NO Nippon Mitsubishi Oil: 1 patents #70 of 158Top 45%
Overall (All Time): #1,223,042 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8887547 Weight applying unit for calibration and weight applying method for calibration Hitoshi Yamazaki, Takeshi Nagareda, Masahiko Umekawa, Takeshi Mori, Kazuhiro Takeda 2014-11-18
8387437 Weight applying unit for calibration and weight applying method for calibration Hitoshi Yamazaki, Takeshi Nagareda, Masahiko Umekawa, Takeshi Mori, Kazuhiro Takeda 2013-03-05
6041702 Curved surface screen-printing apparatus Nobuyuki Kuroda 2000-03-28
5897253 Device for making a master plate for printing braille 1999-04-27