Inventor

Hirohisa Kanbara

Inventor

Isehara, JP

Overview

4→

Patents

1991–2009

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 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 therein29%

C07CAcyclic or carbocyclic compounds14%

C07DHeterocyclic compounds14%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%

G01NInvestigating or analysing materials by determining their chemical or physical properties14%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%

PatentTitleYear

7,573,921'Laser light source'2009 7,391,795'Laser light source'2008 4,999,139'Organic nonlinear optical material and nonlinear optical device'1991 4,997,595'Organic nonlinear optical material and nonlinear optical device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2009Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history

1991Based in Yokohama, JP· patent location history

2008–2009Based in Isehara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	4	1991–2009

Locations

Location	Patents	Span
Isehara, JP	2	2008–2009
Yokohama, JP	2	1991