Inventor · disambiguated record
Shigeru Oguma
Also filed as: OGUMA SHIGERU
3 granted patents·220 citations·filing 1985–1991
78Inventor score
Files withHITACHI METALS LTD3
Top patents by PatentIndex Score
3 records- 0197US4881989AFe-base soft magnetic alloy and method of producing sameHITACHI METALS LTD·Filed 1987·Granted Nov 21, 1989·110 cites·27 claims
- 0295US5160379AFe-base soft magnetic alloy and method of producing sameHITACHI METALS LTD·Filed 1991·Granted Nov 3, 1992·73 cites·6 claims
- 0387US4774130AMagnetic recording mediumHITACHI METALS LTD·Filed 1985·Granted Sep 27, 1988·37 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →