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Inventor

Kazumi Hamano

Inventor
Tokyo, JP

Overview

4→
Patents
1992–2005
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.

Y10Tprimary
Y10TTechnical subjects covered by former us classification31%
C23CCoating metallic material23%
A44CPersonal adornments, e.g. jewellery8%
B44CProducing decorative effects8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
C23DEnamelling of, or applying a vitreous layer to, metals8%
C25DProcesses for the electrolytic or electrophoretic production of coatings8%
G04BMechanically-driven clocks or watches8%
PatentTitleYear
6,905,758'Decorative item and process for producing the same'20056,780,527'Decorative article having white film and production method therefor'20045,972,526'Decorative member'19995,091,224'Method of preparation of a surface-coated metal-made ornamental article'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2005Patents assigned to CITIZEN WATCH CO LTD (4)· patent assignee history
1992Based in Saitama, JP· patent location history
1999Based in Tanashi, JP· patent location history
2004Based in Nishitokyo, JP· patent location history
2005Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIZEN WATCH CO LTD41992–2005
Locations
LocationPatentsSpan
Tokyo, JP12005
Nishitokyo, JP12004
Tanashi, JP11999
Saitama, JP11992