Inventor · disambiguated record
Katsuyoshi Ueyama
Also filed as: UEYAMA KATSUYOSHI
4 granted patents·19 citations·filing 1979–1985
71Inventor score
Files withJAPAN NATIONAL RAILWAY4
Top patents by PatentIndex Score
4 records- 0134US4556164AMethod of field welding head-hardened railsJAPAN NATIONAL RAILWAY·Filed 1985·Granted Dec 3, 1985·8 cites·6 claims
- 0233US4272003AButt welding and burr shearing machine for reinforce steelJAPAN NATIONAL RAILWAY·Filed 1979·Granted Jun 9, 1981·4 cites·2 claims
- 0331US4576324AGas pressure welding machineJAPAN NATIONAL RAILWAY·Filed 1985·Granted Mar 18, 1986·4 cites·4 claims
- 0429US4416158APunching-shearing method for inspecting quality of butt welded jointJAPAN NATIONAL RAILWAY·Filed 1982·Granted Nov 22, 1983·3 cites·2 claims
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