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Toshikazu Nakajima
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Operation method of portable phone to change mode using dial key an...
Patent number
6,944,441
Issue date
Sep 13, 2005
NEC Corporation
Toshikazu Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter and distortion compensation method to be used therefor
Patent number
6,909,756
Issue date
Jun 21, 2005
NEC Corporation
Toshikazu Nakajima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Transmitter for mobile terminal with carrier leak suppressing circuit
Patent number
6,798,845
Issue date
Sep 28, 2004
NEC Corporation
Toshikazu Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission power amplification method and apparatus
Patent number
6,369,649
Issue date
Apr 9, 2002
NEC Corporation
Toshikazu Nakajima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Large-scale integrated circuit (LSI) circuit for controlling electr...
Patent number
6,366,975
Issue date
Apr 2, 2002
NEC Corporation
Toshikazu Nakajima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Runway reservation system
Patent number
6,282,487
Issue date
Aug 28, 2001
Director-General, Ship Research Institute, Ministry of Trans
Kakuichi Shiomi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Aircraft control system
Patent number
6,085,145
Issue date
Jul 4, 2000
Oki Electric Industry Co., Ltd.
Yasuhiro Taka
G08 - SIGNALLING
Information
Patent Grant
Individual guidance system for aircraft in an approach control area...
Patent number
6,064,939
Issue date
May 16, 2000
Oki Electric Industry Co., Ltd.
Masao Nishida
G08 - SIGNALLING
Information
Patent Grant
Flight control system user interface apparatus and control data dis...
Patent number
6,020,831
Issue date
Feb 1, 2000
Oki Electric Industry Co., Ltd.
Masao Nishida
G08 - SIGNALLING
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION PROCESSING APPARATUS, DISPLAY SYSTEM, AND INFORMATION P...
Publication number
20220180400
Publication date
Jun 9, 2022
NEC Corporation
Masamichi TANABE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND R...
Publication number
20220092663
Publication date
Mar 24, 2022
NEC Corporation
Jun UCHIMURA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Operation method of portable phone to change mode using dial key an...
Publication number
20050136971
Publication date
Jun 23, 2005
NEC Corporation
Toshikazu Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmission power amplification method and apparatus
Publication number
20020008576
Publication date
Jan 24, 2002
NEC Corporation
Toshikazu Nakajima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Ringing tone data delivery system and method thereof
Publication number
20010016483
Publication date
Aug 23, 2001
NEC Corporation
Toshikazu Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE