Inventor · disambiguated record

Eiichi Okuyama

Also filed as: OKUYAMA EIICHI

2 granted patents·37 citations·filing 1987–1991

62Inventor score

Technology areasF16C H02K

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0160US4814653ADevice for air cooling bearing of hermetic dynamic machineHITACHI LTD·Filed 1987·Granted Mar 21, 1989·25 cites·14 claims
0244US5139349ABearing device for horizontal shaft type rotating machineHITACHI LTD·Filed 1991·Granted Aug 18, 1992·12 cites·8 claims

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