Inventor · disambiguated record
Etsuji Hayakawa
Also filed as: HAYAKAWA ETSUJI
5 granted patents·1 pending application·14 citations·filing 2007–2022
68Inventor score
Top patents by PatentIndex Score
6 records- 0178US7826690B2Waveguide type optical isolator and magnet holder used in waveguide type optical isolatorMITSUMI ELECTRIC CO LTD·Filed 2007·Granted Nov 2, 2010·12 cites·8 claims
- 0274US10453370B1Control apparatus, optical scanning apparatus, display apparatus, and control methodHAYAKAWA ETSUJI·Filed 2019·Granted Oct 22, 2019·2 cites·15 claims
- 0347US12024420B2Sensing device and method for manufacturing sensing deviceHAYAKAWA ETSUJI·Filed 2022·Granted Jul 2, 2024·0 cites·9 claims
- 0447US11056031B2Control device, optical scanner, display device, and control methodMITSUMI ELECTRIC CO LTD·Filed 2019·Granted Jul 6, 2021·0 cites·17 claims
- 0546US2022310399A1Method for manufacturing semiconductor deviceNAKANE TAKETOMO·Filed 2022·Application pending·0 cites
- 0637US11146764B2Control device, optical scanning device, display apparatus, and control methodTANAKA TOYOKI·Filed 2020·Granted Oct 12, 2021·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →