Inventor · disambiguated record
Osamu Mayama
Also filed as: MAYAMA OSAMU
5 granted patents·119 citations·filing 1976–1990
83Inventor score
Files withMITSUBISHI METAL CORP5
Top patents by PatentIndex Score
5 records- 0181US4836848AFe-based sintered alloy for valve seats for use in internal combustion enginesMITSUBISHI METAL CORP·Filed 1987·Granted Jun 6, 1989·32 cites·7 claims
- 0278US5031878AValve seat made of sintered iron base alloy having high wear resistanceMITSUBISHI METAL CORP·Filed 1990·Granted Jul 16, 1991·28 cites·3 claims
- 0377US4093454ANickel-base sintered alloyMITSUBISHI METAL CORP·Filed 1976·Granted Jun 6, 1978·28 cites·4 claims
- 0475US4089682ACobalt-base sintered alloyMITSUBISHI METAL CORP·Filed 1976·Granted May 16, 1978·19 cites·4 claims
- 0555US4131450AProcess for manufacturing cobalt-base reduced powderMITSUBISHI METAL CORP·Filed 1978·Granted Dec 26, 1978·12 cites·4 claims
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