KM

Katsumi Matsumura

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
TC Toska Co.: 1 patents #7 of 12Top 60%
UN Unitika: 1 patents #257 of 620Top 45%
Overall (All Time): #1,021,141 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7919930 Coil component and display device using same Tomohiro Sugimura, Sadao Morimoto 2011-04-05
7772784 Transformer, illuminating apparatus using the same, and display apparatus using the same Hitoshi Yamasaki, Sadao Morimoto 2010-08-10
7338709 Security yarn and production method therefor Tetsuro Wada 2008-03-04
5977855 Molded transformer Yutaka Hirooka, Kazunari Ishikawa, Masayuki Mizushima, Ken-ichi Koyama, Yoshio Sugitatsu 1999-11-02
5034854 Encased transformer Yutaka Hirooka, Masayoshi Matsuda, Kazunari Ishikawa, Yoshihiro Kuniya 1991-07-23