MT

Masao Tsuruoka

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #1,678,260 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4603358 Auto-reverse tape recording and reproducing apparatus Izumi Sakurai, Masayuki Ishizu, Kiyoshi Ishige 1986-07-29
4403242 Semiconductor device having a metal-fiber composite material electrode 1983-09-06
4226917 Composite joint system including composite structure of carbon fibers embedded in copper matrix Hideyuki Yagi, Keiichi Morita, Keiichi Kuniya 1980-10-07