RT

Ryoichi Takayama

Sumitomo Electric Industries: 44 patents #214 of 21,551Top 1%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
📍 Suita, JP: #9 of 1,253 inventorsTop 1%
Overall (All Time): #49,563 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
4607186 Ultrasonic transducer with a piezoelectric element Akira Tokushima, Nozomu Ueshiba, Yukihiko Ise 1986-08-19
4458170 Ultrasonic transmitter-receiver Yukihiko Ise 1984-07-03
4456849 Piezoelectric ultrasonic transducer with damped suspension Akira Tokushima, Nozomu Ueshiba, Yukihiko Ise 1984-06-26