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Inventor

Eiji Yamamori

Inventor
Tokyo, JP

Overview

14→
Patents
1978–2001
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer44%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them25%
H04NPictorial communication, e.g. television13%
A61BDiagnosis6%
F21VFunctional features or details of lighting devices or systems thereof6%
G02BOptical elements, systems or apparatus6%
PatentTitleYear
6,188,660'Disc recording and/or reproducing apparatus'20015,870,367'Disc recording and/or reproducing apparatus'19995,452,280'Disk loading system'19955,355,357'Disc player and disc loading device'19945,303,098'Disc chucking mechanism'1994D0316088'Adaptor for an 8 cm compact disk'19915,003,530'Apparatus for adapting the diameter of a disk-like recording medium'19914,837,784'Apparatus for adapting the diameter of a disk-like recording medium'19894,587,567'Flat picture tube television receiver including picture tube mounting structure'19864,322,129'Illuminating light control device for endoscope'19824,212,525'Release device in a camera having a motor drive unit'19804,209,247'Environmentally protected camera with an interchangeable drawing type finder'19804,194,824'Camera equipped with automatic unwinding device'19804,114,169'Camera with data-recording structure'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1980Patents assigned to ASAHI OPTICAL CO LTD (4)· patent assignee history
1978–2001Based in Tokyo, JP· patent location history
1982Patents assigned to MEDOS KENKYUSHO KK (1)· patent assignee history
1986–2001Patents assigned to SONY CORP (8)· patent assignee history
1995Based in Kitashinagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP81986–2001
ASAHI OPTICAL CO LTD41978–1980
MEDOS KENKYUSHO KK11982
Locations
LocationPatentsSpan
Tokyo, JP131978–2001
Kitashinagawa, JP11995