YK

Yoshihiko Katsura

NE Nec: 2 patents #5,510 of 14,502Top 40%
Overall (All Time): #2,322,570 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4910507 Interface module for connecting collision detection LAN user terminals to different access mode switching network Hiroshi Shimizu, Tsurayuki Kawatoko, Hidenori Sakamoto, Akihiko Obayashi 1990-03-20
4866702 Star topology local area network Horoshi Shimizu, Hidenori Sakamoto, Tsurayuki Kawatoko 1989-09-12