KM

Kazuhito Matsumura

FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,608,441 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6521829 Electromagnetic wave absorbing sheet Kenichi Yoshida, Tohru Iwai, Hidekazu Nakata, Masato Yoshizawa 2003-02-18
5774607 Lensed-fiber with cascaded graded-index fiber chip configuration Kazuo Shiraishi, Isamu Ohishi 1998-06-30
5446816 Optical fiber having a lens formed at an end thereof Kazuo Shiraishi, Isamu Oishi, Katsuo Ebine 1995-08-29