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Inventor

Steven D. Warwick

Inventor
Santa Rosa, CA, US

Overview

5→
Patents
1993–2000
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication27%
H04JMultiplex communication18%
H04QSelecting18%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
G10HElectrophonic musical instruments9%
H04HBroadcast communication9%
H04MTelephonic communication9%
PatentTitleYear
6,064,652'Cell grant mechanism'20005,907,552'FTTC interface circuitry as a physical layer entity'19995,850,400'System, method, and apparatus for bidirectional transport of digital data between a digital network and a plurality of devices'19985,569,871'Musical tone generating apparatus employing microresonator array'19965,177,560'Optical spectrum analyzer having adjustable sensitivity'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to HEWLETT PACKARD CO (1)· patent assignee history
1993–2000Based in Santa Rosa, CA, US· patent location history
1996Patents assigned to YAMAHA CORP (1)· patent assignee history
1998–2000Patents assigned to NEXT LEVEL COMM (2)· patent assignee history
1999Patents assigned to NEXTLEVEL COMMUNICATIONS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEXT LEVEL COMM21998–2000
HEWLETT PACKARD CO11993
NEXTLEVEL COMMUNICATIONS11999
YAMAHA CORP11996
Locations
LocationPatentsSpan
Santa Rosa, California, US51993–2000