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Inventor

Yasumasa Iwasaki

Inventor
Higashiyamato, JP

Overview

3→
Patents
1987–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Gprimary
G03GElectrography33%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form17%
B41MPrinting, duplicating, marking, or copying processes17%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,953,637Thermal transfer sheet and combination of transfer foil and thermal transfer sheet20214,687,318'Copying apparatus'19874,648,706'Image reproduction apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to CASIO COMPUTER CO LTD (2)· patent assignee history
1987Patents assigned to CASIO ELECTRONICS MFG CO (2)· patent assignee history
1987Based in Higashiyamato, JP· patent location history
2021Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CASIO COMPUTER CO LTD21987
CASIO ELECTRONICS MFG CO21987
DAINIPPON PRINTING CO LTD12021
Locations
LocationPatentsSpan
Higashiyamato, JP21987
Tokyo, JP12021