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Inventor

Eisaburo Kaku

Inventor
Niiza, JP

Overview

2→
Patents
1985–1986
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes100%
PatentTitleYear
4,605,940'Thermoresponsive recording paper sheet'19864,558,335'Thermoresponsive recording sheet'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to YOSHITOMI PHARMACEUTICAL (2)· patent assignee history
1985Based in Shiga, JP· patent location history
1986Based in Niiza, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YOSHITOMI PHARMACEUTICAL21985–1986
Locations
LocationPatentsSpan
Niiza, JP11986
Shiga, JP11985