Inventor

Yukitoshi Kushiro

Inventor

Tokyo, JP

Overview

9→

Patents

1984–1991

Patent span

Electricity

Primary field (CPC H)

Patents· 9 as inventor

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

H01Sprimary

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light58%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%

B82YSpecific uses or applications of nanostructures8%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%

H10HInorganic light-emitting semiconductor devices having potential barriers8%

PatentTitleYear

4,992,837'Light emitting semiconductor device'1991 4,837,526'Semiconductor external optical modulator'1989 4,820,655'Method for manufacturing semiconductor optical integrated device with optical waveguide regions'1989 4,811,352'Semiconductor integrated light emitting device'1989 4,811,353'Semiconductor optical modulator'1989 4,743,087'Optical external modulation semiconductor element'1988 4,731,641'Avalanche photo diode with quantum well layer'1988 4,720,835'Integrated semiconductor light emitting element with oscillation wavelength and phase modulated light output'1988 4,456,998'Semiconductor laser'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1991Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (9)· patent assignee history

1984–1991Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOKUSAI DENSHIN DENWA CO LTD	9	1984–1991

Locations

Location	Patents	Span
Tokyo, JP	9	1984–1991