NS

Naoki Sumiya

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SC Shiroki Kogyo Co.: 1 patents #14 of 31Top 50%
TC Tachibana Eletech Co.: 1 patents #9 of 14Top 65%
Overall (All Time): #1,547,489 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8593161 Contact detection apparatus and pinch prevention apparatus Masayuki Kato, Kazushi Hirose, Yoshihiro Fujimura, Minoru Tanaka, Takao Koba +2 more 2013-11-26
6028381 Starter equipped with current interruption mechanism Shigeru Yumiyama, Rikio Goto, Norikazu Sanuga, Atsushi Saeki 2000-02-22
5969458 Permanent magnetic field starter motor Shigeru Yumiyama, Atsushi Saeki, Akira Toba 1999-10-19