KK

Kazuya Kuwahara

Sumitomo Electric Industries: 4 patents #204 of 3,632Top 6%
Overall (2005): #11,477 of 245,428Top 5%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6935139 Method of manufacturing optical fiber Katsuya Nagayama, Takayuki Shimazu 2005-08-30
6928840 Optical fiber producing method Katsuya Nagayama, Yuichi Ohga, Ichiro Tsuchiya 2005-08-16
6907757 Drawing method of optical fiber and drawing furnace Katsuya Nagayama, Ichiro Tsuchiya, Masashi Onishi 2005-06-21
6853784 Optical fiber Makoto Shimizu, Yuji Kubo 2005-02-08