MT

Masao Tsukamoto

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,670,193 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4815352 Electronic musical instrument Kinji Kawamoto, Masaru Uya 1989-03-28
4536853 Multiple wave generator Kinji Kawamoto, Kazuhiro Murase, Tetsuhiko Kaneaki, Masataka Nikaido 1985-08-20
4483229 Electronic musical instrument Kinji Kawamoto, Masaru Uya 1984-11-20