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Inventor

Hideyuki Takashima

Inventor
Hitachi, JP

Overview

3→
Patents
1988–1993
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus40%
A61BDiagnosis20%
A61NElectrotherapy20%
G11BInformation storage based on relative movement between record carrier and transducer20%
PatentTitleYear
5,245,491'Magneto-optical head employing optical fiber connected stationary and movable portions'19934,872,737'Multi-port fiberoptic rotary joint'19894,740,047'Fiber for lateral beaming of laser beam'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1993Patents assigned to HITACHI CABLE (3)· patent assignee history
1988Patents assigned to DAIJYO HASHIMOTO (1)· patent assignee history
1988Patents assigned to FUJI PHOTO OPTICAL CO LTD (1)· patent assignee history
1988–1993Based in Hitachi, JP· patent location history
1993Patents assigned to HITACHI LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CABLE31988–1993
DAIJYO HASHIMOTO11988
FUJI PHOTO OPTICAL CO LTD11988
HITACHI LTD11993
Locations
LocationPatentsSpan
Hitachi, JP31988–1993