Inventor

Hans Mahlein

Inventor

Unterhaching, DE

Overview

32→

Patents

1976–1993

Patent span

Physics

Primary field (CPC G)

Patents· 32 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus49%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein16%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light16%

H04JMultiplex communication4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

C09KMaterials for miscellaneous applications, not provided for elsewhere2%

G01DMeasuring not specially adapted for a specific variable2%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%

G01RMeasuring electric variables2%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation2%

PatentTitleYear

5,206,920'Integrated optical arrangement for demultiplexing a plurality of different wavelength channels and the method of manufacture'1993 4,989,937'Light waveguide coupler having three or more gates and utilizing the beam splitter principle and the method for manufacture'1991 4,815,081'Arrangement for controlling or regulating an emission wavelength and emitted power of a semiconductor laser'1989 4,776,660'Light diplexer of a communication system comprising three light connections'1988 4,770,496'Edge interference filter for optical communication transmission in wavelength-division multiplex'1988 4,760,569'Integrated optical multiplex-demultiplex module for optical communications transmission'1988 4,747,649'Monolithically integrated WDM demultiplex module and method of manufacture of such module'1988 4,744,618'Optical device for use as a multiplexer or demultiplexer in accordance with the diffraction grating principle'1988 4,726,655'Edge interference filter for optical communication transmission in wavelength-division multiplex'1988 4,682,843'Optical waveguide junction and method of making said junction'1987 4,656,636'Method for manufacturing of integrated DFB laser with coupled strip waveguide on a substrate'1987 4,637,682'Branch connector for light waveguides'1987 4,564,755'Transmission and reception device for a fiber-optical sensor system'1986 4,556,292'Optical polarizer having a prism'1985 4,553,822'Optical polarizer having a dielectric multiple layer system'1985 4,441,181'Optical wavelength-division multiplex system'1984 4,395,090'Optical cut-off filter'1983 4,306,765'Branch component comprising optical light waveguides'1981 4,278,322'Coupling device for coupling of two waveguides'1981 4,147,979'Movable probe carrying optical waveguides with electro-optic or magneto-optic material for measuring electric or magnetic fields'1979 4,139,262'Filter for a light wave in a light guiding fiber'1979 4,112,157'Method of producing a film which promotes homeotropic orientation of liquid crystals and a liquid crystal utilizing the film'1978 4,097,126'Optical layer device with reflecting surface on collodion foil'1978 4,089,582'Narrow band reflection polarizer'1978 4,057,321'Spectroscopically selective filter device'1977 4,009,453'Narrow-band interference filter and its application in a laser system'1977 4,008,947'Electro-optical switch and modulator'1977 4,006,963'Controllable, electro-optical grating coupler'1977 4,006,964'Integrated optical waveguide having a filter'1977 4,003,629'Coupling device for light waves'1977 3,995,937'Tunable optical wave guide systems'1976 3,970,360'Wave-guide structure with a multi-layer system and methods for producing same'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to SIEMENS AG (32)· patent assignee history

1976–1981Based in Munich, DE· patent location history

1978Based in ALL OFMunich, DE· patent location history

1981–1993Based in Unterhaching, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIEMENS AG	32	1976–1993

Locations

Location	Patents	Span
Unterhaching, DE	18	1981–1993
Munich, DE	13	1976–1981
ALL OFMunich, DE	1	1978