KM

Koichi Mayama

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,685,298 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4291241 Timing signal generating circuit Noboru Yamaguchi, Mamoru Sugie, Yuzo Kita, Shigeru Yoshizawa 1981-09-22
4290117 Memory device with circulating storage loops Mamoru Sugie, Noboru Yamaguchi, Yuzo Kita, Shigeru Yoshizawa, Nobuo Saito +1 more 1981-09-15
4247911 Drive circuit for magnetic bubble device Shigeru Yoshizawa, Hirokazu Aoki, Shinsaku Chiba, Takashi Toyooka, Nobuo Saito 1981-01-27