IO

Ichiro Ohhinata

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #1,066,440 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4380021 Semiconductor integrated circuit Mitsuo Matsuyama, Junjiro Kitano 1983-04-12
4315168 Semiconductor switch 1982-02-09
4288862 Memory circuit Seiei Ohkoshi, Hideo Suzuki 1981-09-08
4239985 Trigger circuit for a thyristor 1980-12-16
4232234 Semiconductor switch circuit Shinzi Okuhara, Michio Tokunaga 1980-11-04