Inventor · disambiguated record
Kazushi Maruyama
Also filed as: MARUYAMA KAZUSHI
4 granted patents·70 citations·filing 1981–1998
77Inventor score
Top patents by PatentIndex Score
4 records- 0150US6176524B1Oil well pipe threaded jointNIPPON STEEL CORP·Filed 1996·Granted Jan 23, 2001·31 cites·10 claims
- 0248US4421575AMethod of cooling steel pipesNIPPON STEEL CORP·Filed 1981·Granted Dec 20, 1983·9 cites·3 claims
- 0345US6705648B1Pipe jointNIPPON STEEL CORP·Filed 1998·Granted Mar 16, 2004·24 cites·8 claims
- 0438US5725925APacking material for refractorySHINAGAWA REFRACTORIES CO·Filed 1994·Granted Mar 10, 1998·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →