Inventor · disambiguated record
Shigeki Kumagai
Also filed as: KUMAGAI SHIGEKI
3 granted patents·2 citations·filing 1977–2021
49Inventor score
Top patents by PatentIndex Score
3 records- 0153US8548723B2Car navigation systemISHIGAMI TADATOMI·Filed 2007·Granted Oct 1, 2013·2 cites·9 claims
- 0245US12339121B2Heavy goods vehicleJFE STEEL CORP·Filed 2021·Granted Jun 24, 2025·0 cites·8 claims
- 0319US4086473ADisplay device for electronic apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Apr 25, 1978·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →