Inventor · disambiguated record

Hazime Sibaoka

Also filed as: SIBAOKA HAZIME

2 granted patents·24 citations·filing 1979–1981

60Inventor score

Technology areasF01D

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0144US4303369AMethod of and system for controlling stress produced in steam turbine rotorHITACHI LTD·Filed 1979·Granted Dec 1, 1981·14 cites·11 claims
0234US4401411ADevice for connecting turbine bladesHITACHI LTD·Filed 1981·Granted Aug 30, 1983·10 cites·13 claims

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