Membership
Tour
Register
Log in
Yoshihito Ichiyama
Follow
Person
Kanagawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Portable electronic apparatus
Patent number
7,839,627
Issue date
Nov 23, 2010
Sony Corporation
Hirotoshi Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone device
Patent number
6,504,911
Issue date
Jan 7, 2003
Sony Corporation
Yoshihito Ichiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone answering machine with non-volatile memory
Patent number
5,418,841
Issue date
May 23, 1995
Sony Corporation
Shinya Haraguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
PORTABLE ELECTRONIC APPARATUS
Publication number
20080266763
Publication date
Oct 30, 2008
SONY CORPORATION
Hirotoshi TANAKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Telephone set
Publication number
20020044644
Publication date
Apr 18, 2002
Yoshihito Ichiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE