Membership
Tour
Register
Log in
Shuuji Yamaguchi
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Authentication device management device, authentication device mana...
Patent number
11,394,709
Issue date
Jul 19, 2022
YAHOO JAPAN CORPORATION
Hidehito Gomi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Authentication apparatus and method for clustering and authenticati...
Patent number
11,153,292
Issue date
Oct 19, 2021
YAHOO JAPAN CORPORATION
Kota Tsubouchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Portable terminal with rotatable axial flip unit and dual lens arra...
Patent number
8,922,696
Issue date
Dec 30, 2014
Lenovo Innovations Limited (Hong Kong)
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable terminal with rotatable axial flip unit and dual lens arra...
Patent number
8,068,161
Issue date
Nov 29, 2011
NEC Corporation
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable terminal with rotatable axial flip unit and dual lens arra...
Patent number
7,492,407
Issue date
Feb 17, 2009
NEC Corporation
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication device, communication device set, authentication meth...
Patent number
7,085,382
Issue date
Aug 1, 2006
NEC Corporation
Masayuki Terao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable terminal with rotatable axial flip unit and dual lens arra...
Patent number
7,084,919
Issue date
Aug 1, 2006
NEC Corporation
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and circuit for driving piezoelectric transformer
Patent number
6,268,681
Issue date
Jul 31, 2001
NEC Corporation
Shuuji Yamaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power supply circuit utilizing a piezoelectric transformer that sup...
Patent number
6,151,232
Issue date
Nov 21, 2000
NEC Corporation
Naoki Furuhashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Piezoelectric transformer driving circuit and driving method
Patent number
6,078,124
Issue date
Jun 20, 2000
NEC Corporation
Naoki Furuhashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Inverter and method for driving a plurality of cold cathode tubes i...
Patent number
6,075,325
Issue date
Jun 13, 2000
NEC Corporation
Makoto Kouno
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
AUTHENTICATION DEVICE MANAGEMENT DEVICE, AUTHENTICATION DEVICE MANA...
Publication number
20190268336
Publication date
Aug 29, 2019
Yahoo Japan Corporation
Hidehito GOMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTHENTICATION APPARATUS, AUTHENTICATION METHOD, AND NON-TRANSITORY...
Publication number
20180270213
Publication date
Sep 20, 2018
Yahoo Japan Corporation
Kota TSUBOUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PORTABLE TERMINAL WITH ROTATABLE AXIAL FLIP UNIT AND DUAL LENS ARRA...
Publication number
20120033029
Publication date
Feb 9, 2012
NEC Corporation
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PORTABLE TERMINAL WITH ROTATABLE AXIAL FLIP UNIT AND DUAL LENS ARRA...
Publication number
20100085463
Publication date
Apr 8, 2010
NEC Corporation
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable terminal with rotatable axial flip unit and dual lens arra...
Publication number
20060187334
Publication date
Aug 24, 2006
NEC Corporation
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication device, communication device set, authentication meth...
Publication number
20010005682
Publication date
Jun 28, 2001
Masayuki Terao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable terminal
Publication number
20010004269
Publication date
Jun 21, 2001
Junichiro Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE