Inventor · disambiguated record
Masao Ishiwaki
Also filed as: ISHIWAKI MASAO
2 granted patents·67 citations·filing 1997–2005
62Inventor score
Top patents by PatentIndex Score
2 records- 0182US5847518AHigh voltage transformer with secondary coil windings on opposing bobbinsHITACHI FERRITE ELECT LTD·Filed 1997·Granted Dec 8, 1998·63 cites·13 claims
- 0271US7790053B2Loss-loss Mn-Zn ferrite and electronic part made thereof and switching power supplyHITACHI METALS LTD·Filed 2005·Granted Sep 7, 2010·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →