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Inventor

Shirou Yamamiya

Inventor
Tokyo, JP

Overview

2→
Patents
2002–2003
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments100%
PatentTitleYear
6,623,556'Near-infrared transmitting black azo pigments'20036,471,766'Pigment dispersants and pigment compositions containing the same'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to DAINICHISEIKA COLOR CHEM (2)· patent assignee history
2002–2003Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINICHISEIKA COLOR CHEM22002–2003
Locations
LocationPatentsSpan
Tokyo, JP22002–2003