MS

Masayoshi Sakamoto

Pioneer Electronic: 2 patents #804 of 1,840Top 45%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
RK Riso Kagaku: 1 patents #321 of 551Top 60%
Overall (All Time): #1,157,541 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11059687 Sheet supplying device Yoshihisa Morita, Naoya Masuda, Toru Sakabe 2021-07-13
7224996 Mobile information device, method of controlling mobile information device, and program 2007-05-29
4507694 Selection/drive system for use in a tape recording/reproducing apparatus Toshio Hosono, Shozo Ema 1985-03-26
4470087 Head base drive mechanism in tape player Minoru Kamata 1984-09-04