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Inventor

Masakazu Maeda

Inventor
Ibaraki, JP

Overview

2→
Patents
1976–1979
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C22Bprimary
C22BProduction and refining of metals33%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices33%
H01JElectric discharge tubes or discharge lamps33%
PatentTitleYear
4,135,930'Method for manufacturing the phosphor screen of color-picture tube'19793,949,974'Apparatus for preventing raw mix from being unevenly sintered by a sintering machine'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to KAWASAKI STEEL CO (1)· patent assignee history
1976Based in Chiba, JP· patent location history
1979Patents assigned to MATSUSHITA ELECTRONICS CORP (1)· patent assignee history
1979Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI STEEL CO11976
MATSUSHITA ELECTRONICS CORP11979
Locations
LocationPatentsSpan
Ibaraki, JP11979
Chiba, JP11976