YH

Yasuo Hama

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Mobara, JP: #399 of 731 inventorsTop 55%
Overall (All Time): #2,332,112 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4850921 Full automatic total inspection system for implosion-protected cathode-ray tube Shigetake Takaku, Hirosi Murai 1989-07-25
4680969 Ultrasonic probe jig Shigetake Takaku 1987-07-21