Inventor

Kohroh Kobayashi

Inventor

Tokyo, JP

Overview

12→

Patents

1976–2013

Patent span

Electricity

Primary field (CPC H)

Patents· 12 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 light53%

G02BOptical elements, systems or apparatus18%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%

H10HInorganic light-emitting semiconductor devices having potential barriers6%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

PatentTitleYear

8,358,892'Connection structure of two-dimensional array optical element and optical circuit'2013 4,674,100'Bistable optical device'1987 4,658,402'Optical bistable semiconductor laser producing lasing light in direction normal to semiconductor layers'1987 4,597,085'Double-channel planar heterostructure semiconductor laser'1986 4,525,841'Double channel planar buried heterostructure laser'1985 4,470,143'Semiconductor laser having an etched mirror and a narrow stripe width, with an integrated photodetector'1984 4,425,650'Buried heterostructure laser diode'1984 4,318,058'Semiconductor diode laser array'1982 4,198,117'Optical wavelength-division multiplexing and demultiplexing device'1980 4,079,339'Light self-injecting semiconductor laser device'1978 4,050,784'Light beam coupler for axially discoincident optical fibers'1977 3,999,146'Semiconductor laser device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to NIPPON ELECTRIC CO (7)· patent assignee history

1976–1987Based in Tokyo, JP· patent location history

1986–2013Patents assigned to NEC CORP (4)· patent assignee history

2013Patents assigned to KOBAYASHI KOHROH (1)· patent assignee history

2013Patents assigned to KOUTA HIKARU (1)· patent assignee history

2013Patents assigned to NAKANO KAICHIROU (1)· patent assignee history

2013Based in Meguro-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON ELECTRIC CO	7	1976–1985
NEC CORP	4	1986–2013
KOBAYASHI KOHROHself	1	2013
KOUTA HIKARU	1	2013
NAKANO KAICHIROU	1	2013

Locations

Location	Patents	Span
Tokyo, JP	11	1976–1987
Meguro-ku, JP	1	2013