YS

Yukihiko Sato

BI Brother Industries: 82 patents #3 of 325Top 1%
Brother Kogyo: 15 patents #599 of 2,767Top 25%
NC Nippon Kokan Co.: 5 patents #37 of 735Top 6%
NK Nippon Kokan Koji: 2 patents #2 of 25Top 8%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #13,061 of 4,157,543Top 1%
105
Patents All Time

Issued Patents All Time

Showing 101–105 of 105 patents

Patent #TitleCo-InventorsDate
4753424 Method of clamping rails for pressure welding the same and clamping apparatus therefor Eiji Morishige, Saburo Mori, Masaharu Sekino, Akio Mitsui 1988-06-28
4686341 Gas shield chamber for arc welding of rails Hirokazu Nomura, Yasuhiko Nishi, Mizuho Higurashi, Saburo Mori 1987-08-11
4672173 Gas-shielded arc welding apparatus Hirokazu Nomura, Eiji Morishige, Yasuhiko Nishi, Mizuho Higurashi, Saburo Mori 1987-06-09
4573666 Apparatus for quenching butt-welded portion of rail Hirokazu Nomura, Eiji Morishige 1986-03-04
4273987 Method of controlling synchronized movement of backing shoe in automatic one-side welding Hirokazu Nomura, Yoshikazu Sato 1981-06-16