DDI CORPORATION

Organization

Tokyo, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Audio features description method and audio video features descript...
- Patent number 7,212,972
- Issue date May 1, 2007
- DDI Corporation
- Masaru Sugano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Scheme for filtering documents on network using relevant and non-re...
- Patent number 7,152,063
- Issue date Dec 19, 2006
- DDI Corporation
- Keiichirou Hoashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for collecting statistical traffic data
- Patent number 7,010,592
- Issue date Mar 7, 2006
- DDI Corporation
- Tomohiko Ogishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Competitive buying and selling system and its control method
- Patent number 7,010,504
- Issue date Mar 7, 2006
- DDI Corporation
- Akio Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
DNS server, DHCP server, terminal and communication system
- Patent number 7,010,585
- Issue date Mar 7, 2006
- DDI Corporation
- Tohru Asami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication system having adaptively assigned packet rate
- Patent number 6,961,316
- Issue date Nov 1, 2005
- DDI Corporation
- Akira Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Group communication system for mobile terminals having real time co...
- Patent number 6,898,423
- Issue date May 24, 2005
- DDI Corporation
- Shinji Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless packet communication method and system for transmitting pa...
- Patent number 6,836,484
- Issue date Dec 28, 2004
- DDI Corporation
- Toshinori Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spread spectrum communication method and spread spectrum communicat...
- Patent number 6,785,248
- Issue date Aug 31, 2004
- DDI Corp.
- Naoki Fuke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Four fiber ring network optical switching circuit using branched in...
- Patent number 6,782,201
- Issue date Aug 24, 2004
- DDI Corporation
- Shu Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM convert...
- Patent number 6,775,478
- Issue date Aug 10, 2004
- DDI Corporation
- Masatoshi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spread spectrum signal demodulator
- Patent number 6,763,059
- Issue date Jul 13, 2004
- DDI Corporation
- Toshinori Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission line
- Patent number 6,748,178
- Issue date Jun 8, 2004
- DDI Corporation
- Takayuki Miyakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal demultiplexing device and signal routing device in high spee...
- Patent number 6,741,810
- Issue date May 25, 2004
- DDI Corporation
- Tomohiro Otani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication system for forecasting communication traffic
- Patent number 6,690,928
- Issue date Feb 10, 2004
- DDI Corporation
- Satoshi Konishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scene characteristics detection type video encoding apparatus
- Patent number 6,690,732
- Issue date Feb 10, 2004
- DDI Corporation
- Sei Naito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communications system and radio base station apparatus
- Patent number 6,615,030
- Issue date Sep 2, 2003
- Hitachi, Ltd.
- Joichi Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveform shaper
- Patent number 6,515,793
- Issue date Feb 4, 2003
- DDI Corporation
- Noboru Edagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processor
- Patent number 6,377,388
- Issue date Apr 23, 2002
- DDI Corporation
- Haruhisa Sakata
- G02 - OPTICS
Information Patent Grant
Hydrogen purification using metal hydride getter material
- Patent number 6,261,528
- Issue date Jul 17, 2001
- D.D.I. Limited
- Giovanni Carrea
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
LIVESTOCK BUILDING DESIGN
- Publication number 20130052935
- Publication date Feb 28, 2013
- DDI, Inc.
- John Brian Priest
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
TREE STAND SOUND DAMPENER
- Publication number 20120199418
- Publication date Aug 9, 2012
- DDI, Inc.
- John Brian Priest
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
TREE STAND
- Publication number 20110132686
- Publication date Jun 9, 2011
- DDI, Inc.
- John Brian Priest
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
DNS server, DHCP server, terminal and communication system
- Publication number 20050086379
- Publication date Apr 21, 2005
- DDI CORPORATION
- Tohru Asami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Competitive buying and selling system, its control method, and reco...
- Publication number 20040249744
- Publication date Dec 9, 2004
- DDI CORPORATION
- Akio Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Scheme for filtering documents on network using relevant and non-re...
- Publication number 20010032204
- Publication date Oct 18, 2001
- DDI CORPORATION
- Keiichirou Hoashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Competitive buying and selling system, its control method, and reco...
- Publication number 20010029480
- Publication date Oct 11, 2001
- DDI CORPORATION
- Akio Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Group communication system for mobile terminals
- Publication number 20010027111
- Publication date Oct 4, 2001
- DDI CORPORATION
- Shinji Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless packet communication method and system for transmitting pa...
- Publication number 20010024427
- Publication date Sep 27, 2001
- DDI CORPORATION
- Toshinori Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DNS server, DHCP server, terminal and communication system
- Publication number 20010023459
- Publication date Sep 20, 2001
- DDI CORPORATION
- Tohru Asami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image transmission system, viewing system for received images, and...
- Publication number 20010019587
- Publication date Sep 6, 2001
- DDI CORPORATION
- Masayuki Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Scene characteristics detection type video encoding apparatus
- Publication number 20010019588
- Publication date Sep 6, 2001
- DDI CORPORATION
- Sei Naito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication system having adaptively assigned packet rate
- Publication number 20010017851
- Publication date Aug 30, 2001
- DDI CORPORATION
- Akira Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Spread spectrum communication methods and spread spectrum communica...
- Publication number 20010004357
- Publication date Jun 21, 2001
- DDI CORPORATION
- Naoki Fuke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Trademarklast 30 trademarks

Information Trademark
76051371 - OAU
- Serial number 76051371
- Registration number 3315037
- Filing date May 18, 2000
- DDI Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76051565 - KDDI
- Serial number 76051565
- Registration number 2950759
- Filing date May 18, 2000
- DDI Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76051370 - KDDI
- Serial number 76051370
- Registration number 3585062
- Filing date May 18, 2000
- DDI Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

DDI CORPORATION

Organization

Patents Grantslast 30 patents

Audio features description method and audio video features descript...

Scheme for filtering documents on network using relevant and non-re...

Method for collecting statistical traffic data

Competitive buying and selling system and its control method

DNS server, DHCP server, terminal and communication system

Mobile communication system having adaptively assigned packet rate

Group communication system for mobile terminals having real time co...

Wireless packet communication method and system for transmitting pa...

Spread spectrum communication method and spread spectrum communicat...

Four fiber ring network optical switching circuit using branched in...

Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM convert...

Spread spectrum signal demodulator

Optical transmission line

Signal demultiplexing device and signal routing device in high spee...

Mobile communication system for forecasting communication traffic

Scene characteristics detection type video encoding apparatus

Mobile communications system and radio base station apparatus

Optical waveform shaper

Optical signal processor

Hydrogen purification using metal hydride getter material

Patents Applicationslast 30 patents

LIVESTOCK BUILDING DESIGN

TREE STAND SOUND DAMPENER

TREE STAND

DNS server, DHCP server, terminal and communication system

Competitive buying and selling system, its control method, and reco...

Scheme for filtering documents on network using relevant and non-re...

Competitive buying and selling system, its control method, and reco...

Group communication system for mobile terminals

Wireless packet communication method and system for transmitting pa...

DNS server, DHCP server, terminal and communication system

Image transmission system, viewing system for received images, and...

Scene characteristics detection type video encoding apparatus

Mobile communication system having adaptively assigned packet rate

Spread spectrum communication methods and spread spectrum communica...

Trademarklast 30 trademarks

76051371 - OAU

76051565 - KDDI

76051370 - KDDI