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Inventor

Hiromi Wakasono

Inventor
Hyogo, JP

Overview

9→
Patents
1992–2004
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps60%
C23CCoating metallic material13%
C03BManufacture, shaping, or supplementary processes7%
C03CChemical composition of glasses, glazes or vitreous enamels7%
H04NPictorial communication, e.g. television7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
6,784,607'Color cathode ray tube'20046,774,554'Cathode ray tube'20046,727,640'Glass bulb for a cathode-ray tube and a cathode-ray tube device'20046,534,935'Color CRT apparatus'20036,528,935'Cathode-ray tube'20036,447,963'Method of making a light quantity correction filter and method of manufacturing a color cathode ray tube using the light quantity correction filter made by the method'20026,235,165'Method of making a light quantity correction filter and method of manufacturing a color cathode ray tube using the light quantity correction filter made by the method'20016,157,124'Cathode ray tube with specifically shaped inside picture area'20005,155,410'Shadow mask type color cathode ray tube'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2004Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (7)· patent assignee history
1992Based in Yao, JP· patent location history
2000–2001Patents assigned to MATSUSHITA ELECTRONICS CORP (2)· patent assignee history
2000–2004Based in Takarazuka, JP· patent location history
2001–2004Based in Hyogo, JP· patent location history
2004Patents assigned to NIPPON ELECTRIC GLASS CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD71992–2004
MATSUSHITA ELECTRONICS CORP22000–2001
NIPPON ELECTRIC GLASS CO12004
Locations
LocationPatentsSpan
Hyogo, JP62001–2004
Takarazuka, JP22000–2004
Yao, JP11992