Inventor · disambiguated record
Hiroyuki Iyama
Also filed as: IYAMA HIROYUKI
13 granted patents·129 citations·filing 1974–2023
90Inventor score
Top patents by PatentIndex Score
13 records- 0177US3978368ADischarge lamp control circuitHITACHI LTD·Filed 1974·Granted Aug 31, 1976·23 cites·8 claims
- 0269US12455310B2Fault detection circuitTOYOTA MOTOR CO LTD·Filed 2023·Granted Oct 28, 2025·0 cites·4 claims
- 0367US12366596B2Fault detection circuitTOYOTA MOTOR CO LTD·Filed 2023·Granted Jul 22, 2025·0 cites·7 claims
- 0467US5187490AStripline patch antenna with slot plateHITACHI CHEMICAL CO LTD·Filed 1992·Granted Feb 16, 1993·40 cites·32 claims
- 0567US3942070AElectric discharge lamp lighting deviceHITACHI LTD·Filed 1974·Granted Mar 2, 1976·15 cites·31 claims
- 0661US4119887AStarter for discharge lampHITACHI LTD·Filed 1976·Granted Oct 10, 1978·17 cites·9 claims
- 0760US12196620B2Motor temperature estimation system, motor temperature estimation method, and motor temperature estimation programTOYOTA MOTOR CO LTD·Filed 2022·Granted Jan 14, 2025·0 cites·5 claims
- 0858US4503359ADischarge lamp lighting deviceHITACHI LIGHTING LTD·Filed 1983·Granted Mar 5, 1985·17 cites·11 claims
- 0953US10886868B2Motor control apparatus, control method thereof, and programTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 5, 2021·0 cites·8 claims
- 1051US4447763ADischarge lamp lighting deviceHITACHI LIGHTING LTD·Filed 1982·Granted May 8, 1984·11 cites·10 claims
- 1149US10707797B2Motor control apparatus, motor control program, and motor control methodTOYOTA MOTOR CO LTD·Filed 2019·Granted Jul 7, 2020·0 cites·7 claims
- 1246US10044299B2Motor driving deviceTOYOTA MOTOR CO LTD·Filed 2017·Granted Aug 7, 2018·0 cites·5 claims
- 1338US3978369ASolid state starter apparatus for a discharge lampHITACHI LTD·Filed 1975·Granted Aug 31, 1976·6 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →