Inventor

Christopher J. Johnson

Inventor
Houston, TX, US

Overview

19→
Patents
1994–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 19 as inventor

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

B64Gprimary
B64GCosmonautics18%
G06FElectric digital data processing9%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing6%
C12NMicroorganisms or enzymes6%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms6%
C12YEnzymes6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
Y10TTechnical subjects covered by former us classification6%
A47LDomestic washing or cleaning3%
B01DSeparation3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2012Patents assigned to JOHNSON CHRISTOPHER J (7)· patent assignee history
1994–1998Based in Elk River, MN, US· patent location history
1994Based in Redmond, WA, US· patent location history
2003–2012Patents assigned to NASA (4)· patent assignee history
2003–2012Based in Houston, TX, US· patent location history
2013–2018Patents assigned to CHOO YEN (3)· patent assignee history
2013–2018Patents assigned to PLASTICELL LTD (3)· patent assignee history
2013–2018Patents assigned to TARUNINA MARINA (3)· patent assignee history
2013–2018Based in London, GB· patent location history
2021Based in Sausalito, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON CHRISTOPHER Jself71994–2012
NASA42003–2012
CHOO YEN32013–2018
PLASTICELL LTD32013–2018
TARUNINA MARINA32013–2018
Locations
LocationPatentsSpan
Houston, Texas, US62003–2012
London, GB52013–2018
Elk River, Minnesota, US21994–1998
Redmond, Washington, US21994
Sausalito, California, US12021