WT

Wasao Takasugi

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
HM Hitachi Maxell: 8 patents #102 of 1,211Top 9%
HM Hitachi Medical: 2 patents #260 of 680Top 40%
📍 Higashiyamato, JP: #7 of 215 inventorsTop 4%
Overall (All Time): #147,925 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4282551 PCM Recording and reproducing apparatus Yasunori Kanazawa, Takao Arai, Norio Yokozawa 1981-08-04
4258330 Differential current amplifier Kenji Kaneko, Takahiro Okabe, Tohru Nakamura, Minoru Nagata 1981-03-24