Inventor

Yojiro Kondo

Inventor

Tokyo, JP

Overview

4→

Patents

1978–1999

Patent span

Physics

Primary field (CPC G)

Patents· 4 as inventor

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

G05Dprimary

G05DSystems for controlling or regulating non-electric variables33%

B62DMotor vehicles17%

C09KMaterials for miscellaneous applications, not provided for elsewhere17%

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

H01JElectric discharge tubes or discharge lamps17%

PatentTitleYear

5,861,713'Low voltage electron beam display apparatus having brightness increased by reducing an oxide inevitably formed on a surface of an oxisulfide phosphor on manufacture'1999 5,000,279'Unmanned vehicle guide system'1991 4,800,978'Magnetic object detecting system for automated guided vehicle system'1989 4,094,583'Acoustooptic device'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history

1978–1999Based in Tokyo, JP· patent location history

1989–1999Patents assigned to NEC CORP (3)· patent assignee history

1999Patents assigned to NICHIA KAGAKU KOGYO KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	3	1989–1999
NICHIA KAGAKU KOGYO KK	1	1999
NIPPON ELECTRIC CO	1	1978

Locations

Location	Patents	Span
Tokyo, JP	4	1978–1999