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Inventor

Koji Tsukahara

Inventor
Sagamihara, JP

Overview

2→
Patents
1996–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F16Cprimary
F16CShafts25%
G02BOptical elements, systems or apparatus25%
H02KDynamo-electric machines25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,606,448'Polygon scanner and production process thereof'19975,574,591'Polygon scanner and production process thereof'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to RICOH KK (2)· patent assignee history
1996–1997Patents assigned to TOHOKU RIKO KK (2)· patent assignee history
1996–1997Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK21996–1997
TOHOKU RIKO KK21996–1997
Locations
LocationPatentsSpan
Sagamihara, JP21996–1997