Katsuyoshi Harasawa

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Ninomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for synchronization in encrypted communications using shared...
- Patent number 8,284,937
- Issue date Oct 9, 2012
- Hitachi Information & Communication Engineering, Ltd.
- Shigeto Akutsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for encrypted communications using multi-valued m...
- Patent number 7,970,140
- Issue date Jun 28, 2011
- Hitachi Information & Communication Engineering, Ltd.
- Takeshi Hosoi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase shifter, phase shifting method and skew compensation system f...
- Patent number 7,272,200
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Shinji Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light emitting diode driver circuit
- Patent number 4,723,312
- Issue date Feb 2, 1988
- Hitachi, Ltd.
- Kiichi Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR ENCRYPTED COMMUNICATIONS USING MULTI-VALUED M...
- Publication number 20070255679
- Publication date Nov 1, 2007
- Takeshi Hosoi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR SYNCHRONIZATION IN ENCRYPTED COMMUNICATIONS USING SHARED...
- Publication number 20070234051
- Publication date Oct 4, 2007
- Shigeto AKUTSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase shifter, phase shifting method and skew compensation system f...
- Publication number 20040125902
- Publication date Jul 1, 2004
- Hitachi, Ltd.
- Shinji Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE