HT

Hiroshi Takamizawa

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #2,176,947 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6851282 Apparatus and method for making optical fiber Katsuya Nagayama, Yuichi Ohga, Tatsuhiko Saitoh 2005-02-08
5949587 Apparatus and method for producing original plate for optical disc Kazuhito Hori, Atsushi Koshiyama, Takuya Ichikawa, Kunihide Fujii 1999-09-07