KOJI ARAKAWA

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Patents Grantslast 30 patents

Information Patent Grant
Power generation leveling system and power generation leveling method
- Patent number 8,666,831
- Issue date Mar 4, 2014
- NEC Corporation
- Koji Arakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Active/standby switching system and active/standby switching method
- Patent number 7,382,720
- Issue date Jun 3, 2008
- NEC Corporation
- Koji Arakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice interception system for mobile switching system
- Patent number 7,068,664
- Issue date Jun 27, 2006
- NEC Corporation
- Koji Arakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SURPLUS ELECTRICITY TRADING SYSTEM, AUCTION SYSTEM, AND SURPLUS ELE...
- Publication number 20130275290
- Publication date Oct 17, 2013
- NEC Corporation
- Koji ARAKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER GENERATION LEVELING SYSTEM AND POWER GENERATION LEVELING METHOD
- Publication number 20110258063
- Publication date Oct 20, 2011
- KOJI ARAKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Active/standby switching system and active/standby switching method
- Publication number 20040008620
- Publication date Jan 15, 2004
- Koji Arakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice interception system for mobile switching system
- Publication number 20010043605
- Publication date Nov 22, 2001
- NEC Corporation
- Koji Arakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE