Inventor

Walter Heywang

Inventor

Neukeferloh, DE

Overview

11→

Patents

1976–2010

Patent span

Electricity

Primary field (CPC H)

Patents· 11 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus11%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light11%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%

A61BDiagnosis5%

C22BProduction and refining of metals5%

C30BSingle-crystal growth5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

G08BSignalling systems, e.g. personal calling systems5%

G08CTransmission systems for measured values, control or similar signals5%

H04BTransmission5%

PatentTitleYear

7,758,601'Method for examining tissue samples and device therefor'2010 4,812,005'Arrangement for coupling a laser diode and a monomode light waveguide having a feedback means'1989 4,789,213'Electro-optical modulator having a monomode light waveguide modulator'1988 4,763,979'Arrangement for coupling a laser diode to a monomode light waveguide and the method for forming the arrangement'1988 4,275,390'Burglar alarm device'1981 4,164,811'Process for making a semiconductor component with electrical contacts'1979 4,165,249'Method of purifying germanium bodies'1979 4,087,716'Multi-layer element consisting of piezoelectric ceramic laminations and method of making same'1978 4,004,088'System for the formulation and transmission of coordinate information to reproduce handwritten items'1977 3,965,347'Electroluminescent semiconductor diode with hetero-structure'1976 3,953,711'Cooking units'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to SIEMENS AG (9)· patent assignee history

1976Patents assigned to EGO ELEKTRO BLANC & FISCHER (1)· patent assignee history

1976–1989Based in Neukeferloh, DE· patent location history

2010Patents assigned to HEYWANG WALTER (1)· patent assignee history

2010Patents assigned to HEYWANG-KOEBRUNNER SYLVIA HELEN (1)· patent assignee history

2010Based in Grasbrunn, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIEMENS AG	9	1976–1989
EGO ELEKTRO BLANC & FISCHER	1	1976
HEYWANG WALTERself	1	2010
HEYWANG-KOEBRUNNER SYLVIA HELEN	1	2010

Locations

Location	Patents	Span
Neukeferloh, DE	10	1976–1989
Grasbrunn, DE	1	2010