RK

Ryotaro Kamikawai

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
Overall (All Time): #1,058,457 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5184027 Clock signal supply system Noboru Masuda, Masayoshi Yagyu, Masakazu Yamamoto, Hiroyuki Itoh, Tatsuya Saito 1993-02-02
5151617 Superconducting logic circuit Eiichi Goto, Willy Hioe, Mutsumi Hosoya 1992-09-29
5146119 Switching circuit and its signal transmission method Akira Masaki 1992-09-08
4806111 Connector structure Masaaki Nishi, Moritoshi Yasunaga 1989-02-21
4626889 Stacked differentially driven transmission line on integrated circuit Masakazu Yamamoto, Akira Masaki 1986-12-02