Inventor · disambiguated record
Naoki Niwa
Also filed as: NIWA NAOKI
7 granted patents·341 citations·filing 1990–1997
89Inventor score
Files withKAJIMA CORP7
Top patents by PatentIndex Score
7 records- 0189US5347771AHigh damping device for seismic response controlled structureKAJIMA CORP·Filed 1992·Granted Sep 20, 1994·66 cites·14 claims
- 0284US5311709AVariable damping device for seismic response controlled structureKAJIMA CORP·Filed 1992·Granted May 17, 1994·59 cites·6 claims
- 0379US5147018ACylinder lock device for use in structureKAJIMA CORP·Filed 1992·Granted Sep 15, 1992·66 cites·16 claims
- 0479US5065552AActive seismic response control system for use in structureKAJIMA CORP·Filed 1990·Granted Nov 19, 1991·49 cites·15 claims
- 0578US5036633AVariable damping and stiffness structureKAJIMA CORP·Filed 1990·Granted Aug 6, 1991·44 cites·20 claims
- 0671US5491938AHigh damping structureKAJIMA CORP·Filed 1991·Granted Feb 20, 1996·37 cites·10 claims
- 0749US5979126ASeismic response control method for structureKAJIMA CORP·Filed 1997·Granted Nov 9, 1999·20 cites·24 claims
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