IP Library › Granted Patent US 6,437,631
Granted Patent Utility
US 6,437,631 · Confirmation No. 6124

ANALOG MULTIPLYING CIRCUIT AND VARIABLE GAIN AMPLIFYING CIRCUIT

Inventor: Yasuhiro Amano
Patented Case View Patent ↗ View Publication ↗
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2014-06-24 C.AD Change of Address 1 View
2014-06-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-06-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-06-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-06-05 PA.. Power of Attorney 1 View
2014-06-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-06-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2014-06-05 MFEE.C.AD Maintenance Fee Address Change 2 View
2001-05-29 TRNA Transmittal of New Application 3 View
2001-05-29 SPEC Specification 20 View
2001-05-29 CLM Claims 5 View
2001-05-29 ABST Abstract 1 View
2001-05-29 DRW Drawings-only black and white line drawings 5 View
2001-05-29 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,437,631
App. No.
09/867,354
Filed
2001-05-29
Granted
2002-08-20
Pub. No.
US20010048336A1
Art Unit
2816
PTA
-101 days