Membership
Tour
Register
Log in
Zhi Quiang Wei
Follow
Person
Osaka, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Piezoelectric actuator, ink jet printing head, printer, method for...
Patent number
6,402,304
Issue date
Jun 11, 2002
Seiko Epson Corporation
Hong Qiu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS