YT

Yoshikyo Tamekuni

Sumitomo Electric Industries: 24 patents #740 of 21,551Top 4%
SC Sei Optifrontier Co.: 8 patents #8 of 82Top 10%
SC Sumitomo Electric Optifrontier Co.: 8 patents #1 of 57Top 2%
NT NTT: 6 patents #897 of 4,871Top 20%
Overall (All Time): #122,573 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5993070 Optical connector and a method of attaching the same Tomohiko Ueda, Kazuo Hogari, Shin-ichi Furukawa 1999-11-30
5949937 Optical connector Makoto Honjo, Hiroshi Katsura, Toru Yamanishi, Shinji Nagasawa 1999-09-07
5909528 Optical connector and assembly method thereof Ichiro Matsuura, Kenichiro Otsuka 1999-06-01
5602951 Ferrule for optical connector and process for making same Tetsuo Shiota, Tomohiko Ueda, Ichiro Tsuchiya, Toshiaki Kakii, Shinji Nagasawa 1997-02-11
5351328 Optical connector with V-grooves having an oxide film Toshiaki Kakii, Makoto Honjo, Hidetoshi Ishida, Hiroshi Katsura, Toru Yamanishi +2 more 1994-09-27