Inventor · disambiguated record
Nobuyuki Maruyama
Also filed as: MARUYAMA NOBUYUKI
4 granted patents·94 citations·filing 1987–2002
78Inventor score
Top patents by PatentIndex Score
4 records- 0186US5021215AHigh-strength, heat-resistant steel with improved formability and method thereofSUMITOMO METAL IND·Filed 1990·Granted Jun 4, 1991·44 cites·27 claims
- 0285US4742324ASheath heaterSUMITOMO METAL IND·Filed 1987·Granted May 3, 1988·35 cites·8 claims
- 0357US6817291B2Printing-cylinder bearing deviceTOKYO KIKAI SEISAKUSHO LTD·Filed 2002·Granted Nov 16, 2004·7 cites·19 claims
- 0446US4950873ASheath heaterSUMITOMO METAL IND·Filed 1989·Granted Aug 21, 1990·8 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →