LexDanaLexDanabeta
Inventor

Tohru Yamashita

Inventor
Gifu, JP

Overview

4→
Patents
1989–2009
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.

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein50%
G11BInformation storage based on relative movement between record carrier and transducer50%
PatentTitleYear
7,482,746'Liquid crystal display apparatus having reflective layer'20097,133,094'Liquid crystal display apparatus having a transparent layer covering a reflective layer'20064,903,252'Disc file apparatus'19904,878,137'Disk file device'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1989Based in Hyogo, JP· patent location history
1990Based in Amagasaki, JP· patent location history
2006–2009Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history
2006–2009Based in Gifu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP21989–1990
SANYO ELECTRIC CO22006–2009
Locations
LocationPatentsSpan
Gifu, JP22006–2009
Amagasaki, JP11990
Hyogo, JP11989