Inventor · disambiguated record
Kenzo Hagiwara
Also filed as: HAGIWARA KENZO
2 granted patents·11 citations·filing 1985–1987
55Inventor score
Technology areasB23K
Top patents by PatentIndex Score
2 records- 0131US4762263ASmall-sized gas pressure welding machine for rails with two separate mechanisms for punching-shearing excess metalHAKUSAN SEISAKUSHO KK·Filed 1987·Granted Aug 9, 1988·7 cites·1 claims
- 0231US4576324AGas pressure welding machineJAPAN NATIONAL RAILWAY·Filed 1985·Granted Mar 18, 1986·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →