Kazumaro Takaiwa

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transmission device serially resetting each circuit included therein
- Patent number 7,843,839
- Issue date Nov 30, 2010
- Fujitsu Limited
- Takashi Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed power supply circuit
- Patent number 7,554,779
- Issue date Jun 30, 2009
- Fujitsu Limited
- Kazumaro Takaiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Redundant changeover apparatus
- Patent number 7,301,896
- Issue date Nov 27, 2007
- Fujitsu Limited
- Minoru Tateno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multiplex communication system, optical transmission appara...
- Patent number 7,092,638
- Issue date Aug 15, 2006
- Fujitsu Limited
- Yoshihisa Funami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission system
- Patent number 7,058,298
- Issue date Jun 6, 2006
- Fujitsu Limited
- Hideaki Koyano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Format converting system for synchronous optical network
- Patent number 5,030,951
- Issue date Jul 9, 1991
- Fujitsu Limited
- Hitoshi Eda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Distributed power supply circuit
- Publication number 20080062587
- Publication date Mar 13, 2008
- FUJITSU LIMITED
- Kazumaro Takaiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Transmission device serially resetting each circuit included therein
- Publication number 20070177516
- Publication date Aug 2, 2007
- FUJITSU LIMITED
- Takashi Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical multiplex communication system, optical transmission appara...
- Publication number 20030147647
- Publication date Aug 7, 2003
- FUJITSU LIMITED
- Yoshihisa Funami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Redundant changeover apparatus
- Publication number 20020167897
- Publication date Nov 14, 2002
- Minoru Tateno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission unit and system
- Publication number 20020105693
- Publication date Aug 8, 2002
- FUJITSU LIMITED
- Masato Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission device and optical transmission system
- Publication number 20020097462
- Publication date Jul 25, 2002
- Hideaki Koyano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE