Assignee
ENSHU SEISAKU KK
JP·5 granted patents·33 citations·filing 1998–2021
Top patents by PatentIndex Score
5 records- 0168US11154939B2Hole drilling machine and method for drilling oval hole and inner-diameter-changing hole by means of hole drilling machineENSHU SEISAKU KK·Filed 2019·Granted Oct 26, 2021·1 cites·4 claims
- 0265US11724321B2Hole drilling machine and method for drilling oval hole and inner-diameter-changing hole by means of hole drilling machineENSHU SEISAKU KK·Filed 2021·Granted Aug 15, 2023·0 cites·2 claims
- 0363US6200198B1Method 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
- 0452US6135862ANitrogen gas supply system for dry-cut working machineENSHU SEISAKU KK·Filed 1999·Granted Oct 24, 2000·12 cites·30 claims
- 0546US11911846B2Work processing apparatusENSHU SEISAKU KK·Filed 2019·Granted Feb 27, 2024·0 cites·14 claims
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