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Inventor

Tatsumi Ohtsuka

Inventor
Shizuoka, JP

Overview

7→
Patents
1988–1995
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus63%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles13%
G01CMeasuring distances, levels or bearings13%
G06FElectric digital data processing13%
PatentTitleYear
5,451,724'Touch panel for detecting a coordinate of an arbitrary position where pressure is applied'19955,157,549'Automotive headup display apparatus'19925,048,927'Indication display unit for vehicles'19914,932,731'Holographic head-up display apparatus'19904,898,031'Vibrational angular velocity sensor'19904,892,386'On-vehicle head up display device with double images angularly separated less than a monocular resolving power'19904,787,711'On-vehicle head up display device with optical means for correcting parallax in a vertical direction'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1992Patents assigned to YAZAKI CORP (6)· patent assignee history
1988–1991Based in Susono, JP· patent location history
1990–1992Based in Shizuoka, JP· patent location history
1995Patents assigned to FUJITSU LTD (1)· patent assignee history
1995Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAZAKI CORP61988–1992
FUJITSU LTD11995
Locations
LocationPatentsSpan
Shizuoka, JP31990–1992
Susono, JP31988–1991
Kawasaki, JP11995