Inventor

John D. Bierlein

Inventor

Wilmington, DE, US

Overview

11→

Patents

1976–1995

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein40%

C30BSingle-crystal growth20%

G02BOptical elements, systems or apparatus20%

C01BNon-metallic elements5%

C01GCompounds containing metals not covered by subclasses c01d or c01f5%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

5,393,561'Segmented waveguides having selected bragg reflection characteristics'1995 5,311,352'Increasing the birefringence of KTP and its isomorphs for type II phase matching'1994 5,266,092'Processes for preparation of ion exchanged crystalline waveguides'1993 5,243,676'Segmented waveguides having selected Bragg reflection characteristics'1993 5,157,754'Wavelength conversion by quasi phase matching and the manufacture and use of optical articles therefor'1992 5,146,533'Ion exchanged crystalline waveguides and processes for their preparation'1992 5,084,206'Doped crystalline compositions and a method for preparation thereof'1992 5,028,107'Optical articles for wavelength conversion and their manufacture and use'1991 4,766,954'Process for producing an optical waveguide'1988 4,740,265'Process for producing an optical waveguide and the product therefrom'1988 3,949,323'Crystals of (K, Rb, NH.sub.4)TiO(P, As)O.sub.4 and their use in electrooptic devices'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1995Patents assigned to DU PONT (11)· patent assignee history

1976–1995Based in Wilmington, DE, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DU PONT	11	1976–1995

Locations

Location	Patents	Span
Wilmington, Delaware, US	11	1976–1995