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Inventor

Wolter F. Jager

Inventor
Bowling Green, OH, US

Overview

4→
Patents
1994–1999
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
PatentTitleYear
5,942,554'Method for forming highly colored polymeric bodies'19995,606,171'Method for determining thickness, degree of cure and other properties of a polymeric coating or film'19975,432,032'Method of writing, reading and erasing information'19955,322,750'Optical recording medium'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to PHILIPS CORP (2)· patent assignee history
1994–1995Based in Groningen, NL· patent location history
1997–1999Patents assigned to SPECTRA GROUP LTD INC (2)· patent assignee history
1997–1999Based in Bowling Green, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIPS CORP21994–1995
SPECTRA GROUP LTD INC21997–1999
Locations
LocationPatentsSpan
Bowling Green, OH, US21997–1999
Groningen, NL21994–1995