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Inventor

Seiki Kitahara

Inventor
Tokyo, JP

Overview

3→
Patents
1991–1992
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F21Vprimary
F21VFunctional features or details of lighting devices or systems thereof60%
G02BOptical elements, systems or apparatus40%
PatentTitleYear
5,144,539'Illumination device'19925,101,331'Illumination device'19925,038,259'Illumination device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to DAI ICHI SEIKO CO LTD (3)· patent assignee history
1991–1992Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAI ICHI SEIKO CO LTD31991–1992
Locations
LocationPatentsSpan
Tokyo, JP31991–1992