Inventor

Herwig Werner Kogelnik

Inventor

Rumson, NJ, US

Overview

20→

Patents

1976–2009

Patent span

Physics

Primary field (CPC G)

Patents· 20 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus25%

H04BTransmission18%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

H04QSelecting13%

G01MTesting static or dynamic balance of machines or structures10%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light5%

H04JMultiplex communication5%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%

G06EOptical computing devices3%

H04LTransmission of digital information, e.g. telegraphic communication3%

PatentTitleYear

7,590,355'Method and apparatus for PMD mitigation in optical communication systems'2009 6,768,541'Chromatic dispersion measurement'2004 6,684,031'Ethernet fiber access communications system'2004 6,538,787'Apparatus and method for polarization mode dispersion emulation and compensation'2003 6,519,027'Polarization mode dispersion measurement'2003 6,385,357'Method and apparatus for compensating for higher order paid PMD in a fiber transmission system at the fiber output'2002 6,385,356'Method and apparatus for compensating for higher order PMD in a fiber transmission system'2002 6,380,533'Method for measurement of first-and second-order polarization mode dispersion vectors in optical fibers'2002 6,144,450'Apparatus and method for improving the accuracy of polarization mode dispersion measurements'2000 5,144,637'Inline diplex lightwave transceiver'1992 5,031,188'Inline diplex lightwave transceiver'1991 5,009,477'Optical interconnect arrangement'1991 4,787,693'Passive star coupler'1988 4,261,639'Optical pulse equalization in single-mode fibers'1981 4,111,523'Thin film optical waveguide'1978 4,039,249'Integrated optical devices including tunable fixed grating'1977 4,013,000'Optical crossbar switching network'1977 4,012,113'Adjustable optical switch or modulator'1977 3,990,775'Thin-film optical waveguide'1976 3,986,020'Common medium optical multichannel exchange and switching system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to BELL TELEPHONE LABOR INC (6)· patent assignee history

1976–1978Based in Fair Haven, NJ, US· patent location history

1981–2009Based in Rumson, NJ, US· patent location history

1988Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history

1991–1992Patents assigned to AT & T BELL LAB (3)· patent assignee history

2000–2004Patents assigned to LUCENT TECHNOLOGIES INC (8)· patent assignee history

2009Patents assigned to ALCATEL LUCENT USA INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LUCENT TECHNOLOGIES INC	8	2000–2004
BELL TELEPHONE LABOR INC	6	1976–1981
AT & T BELL LAB	3	1991–1992
ALCATEL LUCENT USA INC	1	2009
AMERICAN TELEPHONE & TELEGRAPH	1	1988

Locations

Location	Patents	Span
Rumson, New Jersey, US	14	1981–2009
Fair Haven, New Jersey, US	6	1976–1978