KT

Koji Tsumaki

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #1,667,437 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4916404 Electron storage ring Masatsugu Nishi, Masashi Kitamura, Jyoji Nakata, Masayuki Nakajima 1990-04-10
4812774 Electron beam stabilizing method for electron storing ring, and electron storing ring system Kenji Miyata, Masatsugu Nishi 1989-03-14
4641526 Method and apparatus for estimating sound source position Shigeru Izumi, Makoto Senoh, Kenji Miyata 1987-02-10