YO

Yasushi Okamura

Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
Overall (All Time): #592,373 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4995161 Electrically controlled machine tools with tool changing means Toshiro Sosogi, Kosuke Takaki 1991-02-26
4873596 Magnetic disk drive apparatus Tsutomu Harada 1989-10-10
4586056 Thermal head Kiichirou Tanaka, Hideo Fujino 1986-04-29
4563101 Printer Kiichiro Tanaka 1986-01-07
4449838 Ink ribbon cassette for printer Harukazu Manabe, Norihide Sato 1984-05-22
4402071 Stationary record player Kiichiro Tanaka 1983-08-30
4332023 Stationary record player Kiichiro Tanaka 1982-05-25
4232868 Stationary record player Kiichiro Tanaka 1980-11-11
4195844 Audiovisual card reproducing device Harukazu Manabe 1980-04-01