SY

Shigeyoshi Yokoyama

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NC Nihon Radiator Co.: 2 patents #4 of 72Top 6%
PC Pacific Machinery & Engineering Co.: 2 patents #2 of 11Top 20%
AR Asahi Rubber: 1 patents #20 of 63Top 35%
HC Hitachi Keiyo Engineering Co.: 1 patents #46 of 115Top 40%
Overall (All Time): #1,060,566 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5170034 Method and apparatus for welding robot control Tatsuya Seshimo, Raiji Shimomura, Tukasa Shiina 1992-12-08
4933432 Method of reducing dimethyl polysiloxane remaining in silicone rubber products to the ultra-micro level Kazuhisa Takagi 1990-06-12
4708585 Centrifugal pump Tetsuo Fukazawa 1987-11-24
4676714 Reversible centrifugal pump Tetsuo Fukazawa 1987-06-30
4602345 Method and system for controlling industrial robot 1986-07-22