Inventor · disambiguated record
Kooji Aizawa
Also filed as: AIZAWA KOOJI
4 granted patents·70 citations·filing 1990–1995
78Inventor score
Technology areasF16C
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0172US5458460ADrainage pump and a hydraulic turbine incorporating a bearing member, and a method of manufacturing the bearing memberHITACHI LTD·Filed 1994·Granted Oct 17, 1995·23 cites·23 claims
- 0266US5035519ASubmersible thrust bearing apparatusHITACHI LTD·Filed 1990·Granted Jul 30, 1991·25 cites·8 claims
- 0361US5839880ABearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit, and method of manufacturing the bearing unitHITACHI LTD·Filed 1995·Granted Nov 24, 1998·16 cites·2 claims
- 0436US5297927AVertical shaft type pumpHITACHI LTD·Filed 1993·Granted Mar 29, 1994·6 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →