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Katuhiko Hayashi

This inventor holds 6 USPTO granted patents. Top assignee: Tdk Corporation. Active years: 1987-1999.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 72(Granted Patents)

Location History:

Tokyo, JP (1997 - 1998)
Chiba, JP (1987 - 1999)

Company Filing History:

Tdk Corporation

Years Active: 1987-1999

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5982240 - Voltage controlled oscillator using a plurality of switchable oscillators (1999-11-09),

2. 5926075 - Antenna switch (1999-07-20),

3. 5841328 - Directional coupler (1998-11-24),

4. 5650756 - High frequency signal dividing and/or combining device (1997-07-22),

5. 5382925 - Hybrid coupler (1995-01-17),

6. 4689460 - Absorber device for microwave leakage (1987-08-25),

Profile summary based on public USPTO records.

Please report any incorrect information to [email protected]

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