SN

Seiji Nishikawa

NT NTT: 3 patents #1,627 of 4,871Top 35%
NE Nec: 2 patents #5,510 of 14,502Top 40%
KE Kokusai Electric: 1 patents #344 of 583Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #858,392 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8889568 Method and apparatus for producing silicon nitride film Hidetaka Kafuku, Tadashi Shimazu 2014-11-18
5193220 Device for mounting an electronic part Makoto Ichinohe, Masahiro Matai, Shinjiro Umetsu 1993-03-09
5079559 Dual plate antenna Shinjiro Umetsu, Masahiro Matai 1992-01-07
5054120 Receiver for personal radio paging service Katsumi Ushiyama, Sadafumi Sakamoto 1991-10-01
4950900 Heated infrared gas analyzer using a pyroelectric infrared sensor Kousuke Takeuchi, Kenichi Shibata, Toshiharu Tanaka, Kazuhiko Kuroki, Shoichi Nakano 1990-08-21
4353237 Method of rolling strip Shunji Omori, Tateo Tanimoto, Nobutaka Maeda, Muneo Moriya 1982-10-12