Inventor

John J. Albers

Inventor
Chicago, IL, US

Overview

7→
Patents
1997–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%
C07KPeptides13%
A61KPreparations for medical, dental or toiletry purposes9%
B81BMicrostructural devices or systems, e.g. micromechanical devices9%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems9%
G10KSound-producing devices9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H03FAmplifiers9%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
H01LSemiconductor devices4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to UNIV WASHINGTON (3)· patent assignee history
1997Patents assigned to ZYMOGENETICS INC (2)· patent assignee history
1997–1998Based in Seattle, WA, US· patent location history
2015–2020Patents assigned to KNOWLES ELECTRONICS LLC (4)· patent assignee history
2015–2019Based in Chicago, IL, US· patent location history
2018Patents assigned to AMS AG (1)· patent assignee history
2020Based in Itasca, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KNOWLES ELECTRONICS LLC42015–2020
UNIV WASHINGTON31997–1998
ZYMOGENETICS INC21997
AMS AG12018
Locations
LocationPatentsSpan
Chicago, Illinois, US32015–2019
Seattle, Washington, US31997–1998
Itasca, Illinois, US12020