YK

Yukio Koyanagi

NS Neuro Solution: 7 patents #1 of 2Top 50%
UN Unknown: 7 patents #1,646 of 83,584Top 2%
NC Niigata Seimitsu Co.: 5 patents #6 of 18Top 35%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #147,718 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4593414 Programable channel selecting system 1986-06-03
4209775 D-A Converter utilizing a main and auxiliary pulse generator to control the duty factor of an averaged pulse train signal Kazumi Kawashima 1980-06-24