Inventor · disambiguated record
Tomohiko Douken
Also filed as: DOUKEN TOMOHIKO
5 granted patents·51 citations·filing 1992–1995
79Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0160US5631517AUltrasonic motor and driving for the ultrasonic motorHITACHI LTD·Filed 1995·Granted May 20, 1997·22 cites·7 claims
- 0245US5448140AImage display apparatus with a deflection circuit having function for correcting rotational distortionHITACHI LTD·Filed 1992·Granted Sep 5, 1995·12 cites·8 claims
- 0339US5793494ACRT display deviceHITACHI LTD·Filed 1993·Granted Aug 11, 1998·6 cites·11 claims
- 0438US5459378ACRT display apparatusHITACHI LTD·Filed 1993·Granted Oct 17, 1995·5 cites·12 claims
- 0527US5767632ACRT display deviceHITACHI LTD·Filed 1995·Granted Jun 16, 1998·6 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →