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Inventor

Kikuo Tsuchiya

Inventor
Nishinomiya, JP

Overview

5→
Patents
1989–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
H01LSemiconductor devices13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
PatentTitleYear
11,049,786Semiconductor device20215,518,982'Thermosensitive recording medium and color developability-improving agent therefor'19964,988,662'Thermosensitive recording sheet'19914,885,270'Novel thermosensitive recording sheet'19894,843,058'Thermosensitive recording sheet'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to DAINIPPON INK & CHEMICALS (4)· patent assignee history
1989–1991Based in Nishinomiya, JP· patent location history
1996Based in Hyogo, JP· patent location history
2021Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON INK & CHEMICALS41989–1996
RENESAS ELECTRONICS CORP12021
Locations
LocationPatentsSpan
Nishinomiya, JP31989–1991
Tokyo, JP12021
Hyogo, JP11996