Inventor · disambiguated record
Yuji Takayanagi
Also filed as: TAKAYANAGI YUJI
5 granted patents·1 pending application·15 citations·filing 1993–2021
71Inventor score
Top patents by PatentIndex Score
6 records- 0177US11496041B2Gate drive device, gate drive method, power semiconductor module, and electric power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2021·Granted Nov 8, 2022·1 cites·9 claims
- 0262US11539361B2Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicleHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2021·Granted Dec 27, 2022·0 cites·8 claims
- 0346US12438115B2Power semiconductor moduleHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2020·Granted Oct 7, 2025·0 cites·10 claims
- 0446US2023282561A1Power semiconductor module and power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2021·Application pending·0 cites
- 0539US5459338AGate turn-off thyristor and power convertor using the sameHITACHI LTD·Filed 1993·Granted Oct 17, 1995·8 cites·34 claims
- 0637US5635734AInsulated gate type semiconductor device in which the reliability and characteristics thereof are not deteriorated due to pressing action and power inverter using the sameHITACHI LTD·Filed 1995·Granted Jun 3, 1997·6 cites·30 claims
Join the waitlist — get patent alerts
Get an alert when Yuji Takayanagi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →