Inventor
Arthur Karp
Inventor
Palo Alto, CA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps47%
H01PWaveguides26%
H01QAntennas, i.e. radio aerials11%
H05KPrinted circuits5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
6,496,156'Antenna feed having centerline conductor'20025,973,654'Antenna feed having electrical conductors differentially affecting aperture electrical field'19995,589,736'Frequency multiplier including grid having plural segments'19965,317,233'Vacuum tube including grid-cathode assembly with resonant slow-wave structure'19944,971,856'Microwave components with a surface coating which imparts a very high RF loss'19904,558,256'Velocity tapering of comb-quad traveling-wave tubes'19854,409,518'TWT Interaction circuit with broad ladder rungs'19834,409,519'TWT Slow-wave structure assembled from three ladder-like slabs'19834,371,854'Broadband high-power microwave window assembly'19834,237,402'Slow-wave circuit for traveling-wave tubes'19804,219,758'Traveling wave tube with non-reciprocal attenuating adjunct'19804,066,988'Electromagnetic resonators having slot-located switches for tuning to different frequencies'19784,011,528'Semi-lumped element coupler'19773,980,972'Proximity coupler'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to STANFORD RESEARCH INST (3)· patent assignee history
1976–2002Based in Palo Alto, CA, US· patent location history
1980–1994Patents assigned to VARIAN ASSOCIATES (7)· patent assignee history
1990Patents assigned to KARP ARTHUR (1)· patent assignee history
1996Patents assigned to COMMUNICATIONS AND POWER IND I (1)· patent assignee history
2002Patents assigned to MITSUBISHI ELECTRIC & ELECTRON (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VARIAN ASSOCIATES | 7 | 1980–1994 |
| STANFORD RESEARCH INST | 3 | 1976–1978 |
| COMMUNICATIONS AND POWER IND I | 1 | 1996 |
| KARP ARTHURself | 1 | 1990 |
| MITSUBISHI ELECTRIC & ELECTRON | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 14 | 1976–2002 |