logo

For the Inventor, By the Inventor

Hamburg, Germany

Andreas H Wichern

This inventor holds 11 USPTO granted patents. Top assignees: U.S. Philips Corporation, Koninklijke Philips Corporation N.v.. Active years: 1991-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andreas H Wichern. Retrieved from https://idiyas.com/inventor/andreas-h-wichern

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 81.8

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 98(Granted Patents)


Company Filing History:

goldMedal8 out of 14,087 
 
U.S. Philips Corporation
 patents
silverMedal3 out of 21,910 
 
Koninklijke Philips Corporation N.v.
 patents

Years Active: 1991-2004

Loading Chart...
11 patents (USPTO):Explore Patents
1. 6794941 - Gain-controlled amplifier with fixed minimum gain (2004-09-21),
2. 6762655 - Circuit arrangement (2004-07-13),
3. 6703886 - Circuit arrangement for rectifying a signal (2004-03-09),
4. 6198359 - Oscillator with cross-coupling by diodes (2001-03-06),
5. 6178320 - Radio receiver with a double-balanced mixer circuit having signal damping elements (2001-01-23),
6. 6075979 - Radio receivers (2000-06-13),
7. 5963082 - Circuit arrangement for producing a D.C. current (1999-10-05),
8. 5648741 - Circuit having overall transfer function providing temperature (1997-07-15),
9. 5619152 - Circuit arrangement for supplying an alternating signal current (1997-04-08),
10. 5235277 - Surface coil for magnetic resonance examinations (1993-08-10),
11. 4998066 - MR examination apparatus comprising a circuit for decoupling the two (1991-03-05),
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…