RM

Ritsu Miyamoto

VJ Victor Company Of Japan: 2 patents #11 of 120Top 10%
Overall (1989): #17,657 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4837645 Drive mechanism for cassette-enclosed magnetic tape Eiichi Tsuchiya, Kazuhiko Shishido, Toshiaki Shimizu, Atsushi Hosoya 1989-06-06
4807064 Tape loading system for wrapping a tape of a tape cassette around a guide drum Eiichi Tsuchiya, Kazuhiko Shishido, Toshiaki Shimizu, Atsushi Hosoya 1989-02-21