KO

Kenichiro Ohtsuka

Sumitomo Electric Industries: 32 patents #425 of 21,551Top 2%
SC Sei Optifrontier Co.: 6 patents #12 of 82Top 15%
NT NTT: 4 patents #1,310 of 4,871Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
FU Fujikura: 1 patents #788 of 1,407Top 60%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
TC Toyokuni Electric Cable Co.: 1 patents #7 of 19Top 40%
Overall (All Time): #90,105 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
7052187 Optical connector ferrule, optical connector and making method for them Yoshikyo Tamekuni, Hiroshi Katsura, Tomohiko Ueda, Toshiaki Kakii 2006-05-30
6964525 Optical connector and backplane assembly Hiroshi Katsura, Tomohiko Ueda, Toshiaki Kakii 2005-11-15
6676300 Ferrule for optical connector and making method thereof Hiroshi Katsura, Tomohiko Ueda, Toshiaki Kakii 2004-01-13
6565265 Optical connector and method of assembling optical connector Takahisa Yamaguchi, Tomohiko Ueda, Toshiaki Kakii 2003-05-20
6409394 Optical connector Tomohiko Ueda, Toshiaki Kakii 2002-06-25
6377743 Optical fiber holder Tomohiko Ueda, Toshiaki Kakii 2002-04-23
6331081 Optical transmission member and manufacturing method therefor Tomohiko Ueda, Toshiaki Kakii 2001-12-18
6293708 Optical connector, and using method and tool thereof Tomohiko Ueda, Toshiaki Kakii 2001-09-25
6264375 Fiber optic connector ferrule and method of making the same Tomohiko Ueda, Toshiaki Kakii 2001-07-24
6196732 Optical connector, method of making the same, and ferrule for optical connector Yoshikyo Tamekuni, Tomohiko Ueda, Toshiaki Kakii 2001-03-06
6095695 Optical connector, and using method and tool thereof Tomohiko Ueda, Toshiaki Kakii 2000-08-01
6062740 Optical connector and method of making the same Tomohiko Ueda, Toshiaki Kakii, Hiroshi Katsura 2000-05-16