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Inventor

Norihiro Hirano

Inventor
Higashiosaka, JP

Overview

4→
Patents
1998–2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers50%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C08LCompositions of macromolecular compounds13%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties13%
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
PatentTitleYear
7,371,785'Erasable ink composition'20086,730,154'Polychromic ink composition depending on viewing angle'20046,666,913'Aqueous ink composition'20035,854,320'Water base erasable ink compositions'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2008Patents assigned to SAKURA COLOR PROD CORP (4)· patent assignee history
1998–2003Based in Osaka, JP· patent location history
2004–2008Based in Higashiosaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAKURA COLOR PROD CORP41998–2008
Locations
LocationPatentsSpan
Higashiosaka, JP22004–2008
Osaka, JP21998–2003