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Inventor

Stanley W. Johnsen

Inventor
Palo Alto, CA, US

Overview

13→
Patents
1989–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 13 as inventor

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

A61Nprimary
A61NElectrotherapy33%
G01TMeasurement of nuclear or x-radiation22%
A61BDiagnosis19%
G21KHandling of particles or ionising radiation not otherwise provided for11%
F15BSystems acting by means of fluids in general4%
F16DCouplings for transmitting rotation4%
G21GConversion of chemical elements4%
H05HPlasma technique4%
PatentTitleYear
10,927,902Pneumatic clutch actuator20219,901,750'Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager'20189,421,399'Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager'20168,867,703'Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager'20148,116,430'Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager'20127,945,021'Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager'20117,642,534'Multileaf collimator for electron radiotherapy'20107,555,103'Multi-leaf collimator with leaves formed of different materials'20097,397,901'Multi-leaf collimator with leaves formed of different materials'20087,295,649'Radiation therapy system and method of using the same'20076,907,106'Method and apparatus for producing radioactive materials for medical treatment using x-rays produced by an electron accelerator'20055,072,123'Method of measuring total ionization current in a segmented ionization chamber'19914,877,961'In-line electron beam energy monitor and control'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2018Based in Palo Alto, CA, US· patent location history
2005–2018Patents assigned to VARIAN MED SYS INC (8)· patent assignee history
2012–2014Patents assigned to COLBETH RICHARD E (2)· patent assignee history
2012–2014Patents assigned to JOHNSEN STANLEY W (2)· patent assignee history
2012–2014Patents assigned to MUNRO PETER (2)· patent assignee history
2012–2014Patents assigned to PAVKOVICH JOHN M (2)· patent assignee history
2021Based in Drammen, NO· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VARIAN MED SYS INC82005–2018
COLBETH RICHARD E22012–2014
JOHNSEN STANLEY Wself22012–2014
MUNRO PETER22012–2014
PAVKOVICH JOHN M22012–2014
Locations
LocationPatentsSpan
Palo Alto, California, US121989–2018
Drammen, NO12021