Inventor · disambiguated record
Hisashi Ukai
Also filed as: UKAI HISASHI
2 granted patents·32 citations·filing 1998–1999
62Inventor score
Files withENSHU SEISAKU KK2
Top patents by PatentIndex Score
2 records- 0163US6200198B1Method of cutting of metal materials and non-metal materials in a non-combustible gas atmosphereENSHU SEISAKU KK·Filed 1998·Granted Mar 13, 2001·20 cites·29 claims
- 0252US6135862ANitrogen gas supply system for dry-cut working machineENSHU SEISAKU KK·Filed 1999·Granted Oct 24, 2000·12 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →