SS

Sumiko Seki

NT Nec Tokin: 1 patents #143 of 299Top 50%
TO Tokin: 1 patents #101 of 278Top 40%
Overall (All Time): #1,255,298 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7231763 Hydraulic apparatus Shigeru Suzuki, Satoru Shimada, Takahiro Yamano, Takahiko Itoh 2007-06-19
7043906 Hydraulic equipment Shigeru Suzuki, Kouichi Aoyama, Satoru Shimada, Takahiko Itoh 2006-05-16
6636431 Symmetrical DC/DC converter Takahiko Ito 2003-10-21
6538414 Electric energy storage device with cell energy control, and method of controlling cell energy Kikuo Tsuruga, Akio Hasebe, Kazuya Mori, Takahiko Ito 2003-03-25