Membership
Tour
Register
Log in
Shigeru Yokoji
Follow
Person
Osaka, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Track ball device and electronic apparatus using the same
Patent number
7,158,119
Issue date
Jan 2, 2007
Matsushita Electric Industrial Co., Ltd.
Shigeru Yokoji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Track ball device and electronic apparatus using the same
Patent number
6,909,422
Issue date
Jun 21, 2005
Matsushita Electric Industrial Co., Ltd.
Shigeru Yokoji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Rotary manipulation type input device and electronic apparatus usin...
Patent number
6,864,679
Issue date
Mar 8, 2005
Matsushita Electric Industrial Co., Ltd.
Shigeru Yokoji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pressing and rotating operation type electronic parts and communica...
Patent number
6,396,006
Issue date
May 28, 2002
Matsushita Electric Industrial Co., Ltd.
Shigeru Yokoji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic component with built-in push switch driven by rotary and...
Patent number
6,229,103
Issue date
May 8, 2001
Matsushita Electric Industrial Co., Ltd.
Tamotsu Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rotatively-operated electronic component with push switch
Patent number
5,613,600
Issue date
Mar 25, 1997
Matsushita Electric Industrial Co., Ltd.
Shigeru Yokoji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rotatively-operated electronic component with push switch
Patent number
5,593,023
Issue date
Jan 14, 1997
Matsushita Electric Industrial Co., Ltd.
Keiji Kaizaki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Track ball device and electronic apparatus using the same
Publication number
20050156893
Publication date
Jul 21, 2005
Matsushita Elec. Ind. Co., Ltd.
Shigeru Yokoji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Portable electronic equipment
Publication number
20040072596
Publication date
Apr 15, 2004
Tamotsu Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Rotary manipulation type input device and electronic apparatus usin...
Publication number
20030224737
Publication date
Dec 4, 2003
Shigeru Yokoji
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Track ball device and electronic apparatus using the same
Publication number
20020190985
Publication date
Dec 19, 2002
Shigeru Yokoji
G06 - COMPUTING CALCULATING COUNTING