WK

Wataru Katsurashima

NE Nec: 2 patents #5,510 of 14,502Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #1,243,177 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7716337 Intermediate device which can be introduced and removed in seamless way Satoshi Yamakawa, Takashi Torii 2010-05-11
6785792 Storage system and data relocation method 2004-08-31
5422182 Light transmitting glass fiber Kazumasa Oishi, Nobuhiro Akasaka, Tatsuya Kakuta, Yasuo Matsuda, Shigeru Tomita 1995-06-06
5082347 Tape-like coated optical fiber Nobuhiro Akasaka, Toshiaki Zakoh, Toru Yamanishi, Ichiro Ogasawara 1992-01-21