YI

Yoichi Ishiguro

Sumitomo Electric Industries: 7 patents #14 of 1,892Top 1%
NT NTT: 2 patents #4 of 258Top 2%
DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #2 of 36Top 6%
Overall (1994): #916 of 165,921Top 1%
7
Patents 1994

Issued Patents 1994

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5364428 Method for producing glass preform for optical fiber Michihisa Kyoto, Akira Urano, Hideo Kakuzen 1994-11-15
5357334 Spectroanalyzer correcting for deterioration of transmissibility Haruhiko Aikawa, Minoru Watanabe, Yoshiaki Ichige, Fumitoshi Okamoto 1994-10-18
5348564 Method for manufacturing a hermetically coated optical fiber Haruhiko Aikawa, Katsuya Nagayama, Ichiro Yoshimura, Yutaka Katsuyama, Nobuyuki Yoshizawa 1994-09-20
5338328 Apparatus of manufacturing hermetic coating optical fiber Haruhiko Aikawa, Toshio Danzuka 1994-08-16
5320659 Method of forming a carbon coated optical fiber with co-current reactant flow Masaharu Ooe, Kohei Kobayashi, Gotaro Tanaka, Minoru Watanabe 1994-06-14
5296011 Method of manufacturing hermetic coating optical fiber Haruhiko Aikawa, Toshio Danzuka 1994-03-22
5281247 Method for producing hermetic coated optical fiber Haruhiko Aikawa, Katsuya Nagayama, Ichiro Yoshimura, Yutaka Katsuyama, Nobuyuki Yoshizawa 1994-01-25