SI

Shigeru Ichikawa

Canon: 6 patents #8,497 of 19,416Top 45%
SH Shinkawa: 6 patents #46 of 229Top 25%
AE Alpine Electronics: 4 patents #73 of 637Top 15%
MC Meisan Co.: 3 patents #2 of 5Top 40%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
HK Hamamatsu Photonics K.K.: 2 patents #676 of 1,436Top 50%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
DC Daiichi Pharmaceutical Co.: 1 patents #181 of 399Top 50%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
WC Warner-Lambert Company: 1 patents #930 of 1,610Top 60%
YU Yupo: 1 patents #37 of 72Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #117,063 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5516251 Magazine carrying apparatus 1996-05-14
5410485 Navigation apparatus and method for exploring an optimal route based on characteristics of an exploration object zone 1995-04-25
5075622 Sheet thickness measuring apparatus with magnetic and optical sensors Eitaro Konii, Kohei Hasegawa, Yoshinori Tabara 1991-12-24
5001356 Sheet thickness measuring apparatus 1991-03-19
4543867 Slitter knife holder 1985-10-01
4392560 Disc brake with a caliper supported by slide pins Kei Nakasu, Toshihiko Tanaka, Mitsuo Ikeda 1983-07-12