Membership
Tour
Register
Log in
Jun Hosoya
Follow
Person
Fujioka, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Writing implement ink conducting core
Patent number
5,829,904
Issue date
Nov 3, 1998
Mitsubishi Pencil Kabushiki Kaisha
Kazuaki Matsumoto
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES