Inventor · disambiguated record
Katuhiko Hayashi
Also filed as: HAYASHI KATUHIKO
6 granted patents·178 citations·filing 1985–1997
86Inventor score
Files withTDK CORP6
Top patents by PatentIndex Score
6 records- 0185US5841328ADirectional couplerTDK CORP·Filed 1995·Granted Nov 24, 1998·48 cites·15 claims
- 0284US5382925AHybrid couplerTDK CORP·Filed 1993·Granted Jan 17, 1995·51 cites·11 claims
- 0377US5926075AAntenna switchTDK CORP·Filed 1996·Granted Jul 20, 1999·29 cites·10 claims
- 0470US5650756AHigh frequency signal dividing and/or combining deviceTDK CORP·Filed 1994·Granted Jul 22, 1997·34 cites·15 claims
- 0548US4689460AAbsorber device for microwave leakageTDK CORP·Filed 1985·Granted Aug 25, 1987·11 cites·15 claims
- 0637US5982240AVoltage controlled oscillator using a plurality of switchable oscillatorsTDK CORP·Filed 1997·Granted Nov 9, 1999·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →