YK

Yasushi Katsumata

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,588,348 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7243241 Data distributing apparatus and terminal apparatus for data distribution Masayuki Ohbayashi, Takashi Nakatsuyama, Han Min-Jae 2007-07-10
5243661 Microphone apparatus Masashi Ohkubo, Tooru Sasaki, Akira Kimura 1993-09-07
4438409 Active equalizer 1984-03-20