TK

Tetsuo Kumazawa

HI Hitachi: 2 patents #339 of 2,942Top 15%
HC Hitachi Cable: 1 patents #10 of 53Top 20%
📍 Ibaraki, JP: #28 of 586 inventorsTop 5%
Overall (1997): #10,468 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5671316 Connecting structure of optical fiber to optical waveguide Toshiya Yuhara, Hisao Iitsuka, Kazuyuki Fukuda, Makoto Shimaoka 1997-09-23
5637914 Lead frame and semiconductor device encapsulated by resin Naotaka Tanaka, Akihiro Yaguchi, Makoto Kitano, Tatsuya Nagata, Atsushi Nakamura +2 more 1997-06-10
5608265 Encapsulated semiconductor device package having holes for electrically conductive material Makoto Kitano, Asao Nishimura, Akihiro Yaguchi, Nae Yoneda, Ryuji Kohno +1 more 1997-03-04