Inventor

Richard R. Simmons

Inventor
Los Altos, CA, US

Overview

11→
Patents
1981–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps47%
G02BOptical elements, systems or apparatus24%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G01RMeasuring electric variables6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
G08BSignalling systems, e.g. personal calling systems6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to CHUBB FIRE SECURITY LTD (1)· patent assignee history
1981Based in Twickenham, GB· patent location history
1987–1996Patents assigned to KLA INSTR CORP (3)· patent assignee history
1987–2020Based in Los Altos, CA, US· patent location history
2015–2020Patents assigned to KLA TENCOR CORP (6)· patent assignee history
2020Patents assigned to KLA CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KLA TENCOR CORP62015–2020
KLA INSTR CORP31987–1996
CHUBB FIRE SECURITY LTD11981
KLA CORP12020
Locations
LocationPatentsSpan
Los Altos, California, US101987–2020
Twickenham, GB11981