Inventor · disambiguated record
Eiji Tooyama
Also filed as: TOOYAMA EIJI
5 granted patents·117 citations·filing 1978–2017
81Inventor score
Top patents by PatentIndex Score
5 records- 0192US9853559B2Power conversion device with reduced current deviationDAIKIN IND LTD·Filed 2015·Granted Dec 26, 2017·13 cites·20 claims
- 0292US4347564AHierarchical-structure plant control systemHITACHI LTD·Filed 1980·Granted Aug 31, 1982·81 cites·6 claims
- 0388US9257931B2Power conversion apparatusTOOYAMA EIJI·Filed 2012·Granted Feb 9, 2016·16 cites·20 claims
- 0475US10511233B2Current estimating deviceDAIKIN IND LTD·Filed 2017·Granted Dec 17, 2019·2 cites·16 claims
- 0538US4232206ASignal transmission control systemHITACHI LTD·Filed 1978·Granted Nov 4, 1980·5 cites·6 claims
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