Inventor · disambiguated record

Katsumi Oyabu

Also filed as: OYABU KATSUMI

2 granted patents·85 citations·filing 1981–1981

65Inventor score

Technology areasF01D F16C

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0194US4406169AMethod of and system for monitoring bearing conditionsHITACHI LTD·Filed 1981·Granted Sep 27, 1983·75 cites·26 claims
0234US4401411ADevice for connecting turbine bladesHITACHI LTD·Filed 1981·Granted Aug 30, 1983·10 cites·13 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →