Inventor · disambiguated record
Tadao Kawai
Also filed as: KAWAI TADAO
6 granted patents·1 pending application·147 citations·filing 1982–2003
85Inventor score
Top patents by PatentIndex Score
7 records- 0176US5428553ADigital control and protection equipment for power systemHITACHI LTD·Filed 1990·Granted Jun 27, 1995·44 cites·5 claims
- 0261US5255202ADigital signal processing method and system, electric power system signal processing system and electric power control systemHITACHI LTD·Filed 1991·Granted Oct 19, 1993·38 cites·44 claims
- 0359US4430683AGround fault detecting device for use with a DC circuitHITACHI LTD·Filed 1982·Granted Feb 7, 1984·17 cites·7 claims
- 0451US4441032AConverter control apparatus for parallel connected multi-terminal direct current systemHITACHI LTD·Filed 1982·Granted Apr 3, 1984·13 cites·12 claims
- 0550US5265002AFault protection for a multiphase bridge power converterHITACHI LTD·Filed 1991·Granted Nov 23, 1993·15 cites·12 claims
- 0650US5099409ASemiconductor electric power conversion system enabling fault and/or overtemperature protectionHITACHI LTD·Filed 1990·Granted Mar 24, 1992·20 cites·10 claims
- 0725US2003179226A1Machining center support systemUNION ELECTRONICS CO LTD·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tadao Kawai 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 →