Inventor

Kiyoyuki Yokoyama

Inventor

Isehara, JP

Overview

2→

Patents

1996–1997

Patent span

Electricity

Primary field (CPC H)

Patents· 2 as inventor

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

B82Yprimary

B82YSpecific uses or applications of nanostructures17%

G02BOptical elements, systems or apparatus17%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light17%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation17%

H10HInorganic light-emitting semiconductor devices having potential barriers17%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%

PatentTitleYear

5,689,358'Optical functional devices and integrated optical devices having a ridged multi-quantum well structure'1997 5,585,957'Method for producing various semiconductor optical devices of differing optical characteristics'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history

1996–1997Based in Isehara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	2	1996–1997

Locations

Location	Patents	Span
Isehara, JP	2	1996–1997