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Inventor

Kunihiko Hada

Inventor
Numazu, JP

Overview

6→
Patents
1995–2011
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes75%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
7,989,389'Heat-sensitive recording material'20117,419,935'Heat-sensitive recording material'20085,703,006'Thermosensitive recording medium'19975,646,088'Thermosensitive recording material and production process thereof'19975,536,697'Thermal printing material for providing improved image reliabilities'19965,409,881'Thermosensitive recording material'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2008Patents assigned to RICOH KK (5)· patent assignee history
1995–1997Based in Numazu, JP· patent location history
2008–2011Based in Shizuoka, JP· patent location history
2011Patents assigned to RICOH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK51995–2008
RICOH CO LTD12011
Locations
LocationPatentsSpan
Numazu, JP41995–1997
Shizuoka, JP22008–2011