LexDanaLexDanabeta
Inventor

Tadahisa Yoshida

Inventor
Tokyo, JP

Overview

4→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps60%
A47CChairs20%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons20%
PatentTitleYear
10,932,968Control device and electric furniture20215,729,099'Electron gun having improved focus and convergence, and color cathode-ray tube and image display device'19985,013,963'In-line type electron gun'19914,406,971'Color cathode ray tube having a reference white fluorescent screen'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1998Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1983Patents assigned to FUJI TELECASTING CO LTD (1)· patent assignee history
1983Based in Nagaokakyo, JP· patent location history
1991Based in Nagaoka, JP· patent location history
1998Based in Amagasaki, JP· patent location history
2021Patents assigned to PARAMOUNT BED KK (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP31983–1998
FUJI TELECASTING CO LTD11983
PARAMOUNT BED KK12021
Locations
LocationPatentsSpan
Tokyo, JP12021
Amagasaki, JP11998
Nagaoka, JP11991
Nagaokakyo, JP11983