KO

Kazumasa Okamoto

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #1,758,285 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12096195 Display device and speaker device Tatsuya Sakata, Hiroaki Matsui 2024-09-17
11962972 Display device and speaker Masahiro Takahashi, Tatsuya Sakata, Tetsuya Shiroishi, Shigemi Oguchi, Ryosuke Nakajima 2024-04-16