Hiroyuki Kiyanagi

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for CPRI cascading in distributed radio head arch...
- Patent number 8,467,823
- Issue date Jun 18, 2013
- Fujitsu Limited
- Hiroyuki Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock phase detecting circuit and clock regenerating circuit each a...
- Patent number RE40695
- Issue date Apr 7, 2009
- Fujitsu Limited
- Takanori Iwamatsu
- 375 - Pulse or digital communications
Information Patent Grant
Wireless communication apparatus
- Patent number 6,871,053
- Issue date Mar 22, 2005
- Fujitsu Limited
- Yasuhiro Shibuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication apparatus
- Patent number 6,792,255
- Issue date Sep 14, 2004
- Fujitsu Limited
- Yasuhiro Shibuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and bit-shift method for eliminating interference of cros...
- Patent number 6,731,704
- Issue date May 4, 2004
- Fujitsu Limited
- Hiroyuki Kiyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device
- Patent number 6,320,734
- Issue date Nov 20, 2001
- Fujitsu Limited
- Hideki Sonobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplex radio transmitter and multiplex radio transmission method...
- Patent number 6,185,201
- Issue date Feb 6, 2001
- Fujitsu Limited
- Hiroyuki Kiyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Space diversity receiving apparatus
- Patent number 6,029,056
- Issue date Feb 22, 2000
- Fujitsu Limited
- Hiroyuki Kiyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock phase detecting circuit
- Patent number 6,028,902
- Issue date Feb 22, 2000
- Fujitsu Limited
- Hiroyuki Kiyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Carrier regenerating circuit
- Patent number 5,987,078
- Issue date Nov 16, 1999
- Fujitsu Limited
- Hiroyuki Kiyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic amplitude equalizer
- Patent number 5,978,415
- Issue date Nov 2, 1999
- Fujitsu Limited
- Kenzo Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock phase detecting circuit and clock regenerating circuit each a...
- Patent number 5,867,542
- Issue date Feb 2, 1999
- Fujitsu Limited
- Takanori Iwamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio receiver for use in the reception of digital multiplexing sig...
- Patent number 5,596,605
- Issue date Jan 21, 1997
- Fujitsu Limited
- Hiroyuki Kiyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Carrier regeneration circuit including area judging device
- Patent number 5,594,389
- Issue date Jan 14, 1997
- Fujitsu Limited
- Hiroyuki Kiyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CPRI CASCADING IN DISTRIBUTED RADIO HEAD ARCH...
- Publication number 20110237178
- Publication date Sep 29, 2011
- Fujitsu Network Communications, Inc.
- Hiroyuki Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless communication apparatus
- Publication number 20020016158
- Publication date Feb 7, 2002
- FUJITSU LIMITED
- Yasuhiro Shibuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hiroyuki Kiyanagi

Person

Patents Grantslast 30 patents

Method and system for CPRI cascading in distributed radio head arch...

Clock phase detecting circuit and clock regenerating circuit each a...

Wireless communication apparatus

Wireless communication apparatus

Apparatus and bit-shift method for eliminating interference of cros...

Communication device

Multiplex radio transmitter and multiplex radio transmission method...

Space diversity receiving apparatus

Clock phase detecting circuit

Carrier regenerating circuit

Automatic amplitude equalizer

Clock phase detecting circuit and clock regenerating circuit each a...

Radio receiver for use in the reception of digital multiplexing sig...

Carrier regeneration circuit including area judging device

Patents Applicationslast 30 patents

METHOD AND SYSTEM FOR CPRI CASCADING IN DISTRIBUTED RADIO HEAD ARCH...

Wireless communication apparatus