Assignee
HAYASHI KENSETSU KOGYO KABUSHI
JP·2 granted patents·24 citations·filing 1996–1997
Technology mixE04G2
Top patents by PatentIndex Score
2 records- 0150US5809736AMethod and apparatus for injecting concrete repairing agent into a concrete structureHAYASHI KENSETSU KOGYO KABUSHI·Filed 1996·Granted Sep 22, 1998·16 cites·11 claims
- 0235US5948444AInjection plug device for injecting concrete repairing agent into a concrete structureHAYASHI KENSETSU KOGYO KABUSHI·Filed 1997·Granted Sep 7, 1999·8 cites·5 claims
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