TT

Takeshi Tokunaga

HI Hitachi: 4 patents #13 of 1,214Top 2%
Overall (1982): #1,543 of 81,411Top 2%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4365250 Garage door operation control apparatus Shigeru Matsuoka, Seiji Yonekura, Mituo Suzuki, Kenji Nakamura 1982-12-21
4344252 Garage door operation control apparatus Mitsuo Suzuki, Seiji Yonekura, Shigeru Matsuoka, Kenji Nakamura 1982-08-17
4328540 Door operation control apparatus Shigeru Matsuoka, Toshio Tsubaki, Seiji Yonekura, Kenji Nakamura, Mituo Suzuki 1982-05-04
4311225 Device for driving driven member by roller chain Toshio Tsubaki, Seiji Yonekura, Shigeru Matsuoka, Makoto Miura, Kozi Yamauchi 1982-01-19