HS

Hirohisa Shishikura

NK Nippon Hoso Kyokai: 2 patents #182 of 703Top 30%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
OC Oki Electric Co.: 1 patents #3 of 39Top 8%
Overall (All Time): #1,654,696 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5319602 Combination of a printed wiring board and a memory device selecting circuit 1994-06-07
4675868 Error correction system for difference set cyclic code in a teletext system Ichiro Sase, Akio Yanagimachi, Osamu Yamada 1987-06-23
4672612 Error correction system in a teletext system Ichiro Sase, Akio Yanagimachi, Osamu Yamada, Shigeharu Ueguri 1987-06-09