Naoya Henmi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ring network for sharing protection resource by working communicati...
- Patent number 7,280,470
- Issue date Oct 9, 2007
- NEC Corporation
- Tatsuya Shiragaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch, optical amplifier and optical power controller as w...
- Patent number 7,197,246
- Issue date Mar 27, 2007
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for transmission and reception of asynchronously...
- Patent number 7,126,950
- Issue date Oct 24, 2006
- NEC Corporation
- Kazuo Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet exchange system and optical switch
- Patent number 6,957,018
- Issue date Oct 18, 2005
- NEC Corporation
- Soichiro Araki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add-drop multiplexer
- Patent number 6,895,183
- Issue date May 17, 2005
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch and optical network
- Patent number 6,809,846
- Issue date Oct 26, 2004
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical ring system
- Patent number 6,771,907
- Issue date Aug 3, 2004
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiving circuit and optical communication device
- Patent number 6,760,552
- Issue date Jul 6, 2004
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring network for sharing protection resource by working communicati...
- Patent number 6,657,952
- Issue date Dec 2, 2003
- NEC Corporation
- Tatsuya Shiragaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication network node
- Patent number 6,643,042
- Issue date Nov 4, 2003
- NEC Corporation
- Makoto Nishio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet exchange system and optical switch
- Patent number 6,570,687
- Issue date May 27, 2003
- NEC Corporation
- Soichiro Araki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal monitoring method and apparatus
- Patent number 6,538,779
- Issue date Mar 25, 2003
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch, optical amplifier and optical power controller as w...
- Patent number 6,466,344
- Issue date Oct 15, 2002
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switching apparatus using wavelength division multiplexing...
- Patent number 6,445,473
- Issue date Sep 3, 2002
- NEC Corporation
- Yoshihiko Suemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet exchange system and optical switch
- Patent number 6,441,935
- Issue date Aug 27, 2002
- NEC Corporation
- Soichiro Araki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network
- Patent number 6,429,955
- Issue date Aug 6, 2002
- NEC Corporation
- Yoshihiko Suemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch, optical amplifier and optical power controller as w...
- Patent number 6,424,440
- Issue date Jul 23, 2002
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wave network system and method of monitoring a network trouble
- Patent number 6,407,834
- Issue date Jun 18, 2002
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add-drop multiplexer
- Patent number 6,404,525
- Issue date Jun 11, 2002
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal repeating and amplifying device and optical level ad...
- Patent number 6,400,498
- Issue date Jun 4, 2002
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bit synchronization circuit
- Patent number 6,373,911
- Issue date Apr 16, 2002
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication transmission system
- Patent number RE37621
- Issue date Apr 2, 2002
- NEC Corporation
- Naoya Henmi
- 359 - Optical: systems and elements
Information Patent Grant
Optical switch and optical switch system
- Patent number 6,347,168
- Issue date Feb 12, 2002
- NEC Corporation
- Hirofumi Shimomura
- G02 - OPTICS
Information Patent Grant
Optical communication system using wavelength-division multiplexed...
- Patent number 6,333,800
- Issue date Dec 25, 2001
- NEC Corporation
- Yoshihiko Suemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system using wavelength-division multiplexed...
- Patent number 6,271,949
- Issue date Aug 7, 2001
- NEC Corporation
- Yoshihiko Suemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network, optical division and insertion node and recovery s...
- Patent number 6,137,603
- Issue date Oct 24, 2000
- NEC Corporation
- Naoya Henmi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network node for switching quality detector to incoming signal spec...
- Patent number 6,125,104
- Issue date Sep 26, 2000
- NEC Corporation
- Tatsuya Shiragaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication network apparatus and optical switching network
- Patent number 6,115,517
- Issue date Sep 5, 2000
- NEC Corporation
- Tatsuya Shiragaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Datalink system and communication network
- Patent number 6,081,557
- Issue date Jun 27, 2000
- NEC Corporation
- Yoshihiko Suemura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical transmission system
- Patent number 6,061,156
- Issue date May 9, 2000
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and system for transmission and reception of asynchronously...
- Publication number 20060193325
- Publication date Aug 31, 2006
- NEC CORPORATION
- Kazuo Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical switch and optical network
- Publication number 20040114933
- Publication date Jun 17, 2004
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ring network for sharing protection resource by working communicati...
- Publication number 20040057375
- Publication date Mar 25, 2004
- NEC Corporation
- Tatsuya Shiragaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical switch, optical amplifier and optical power controller as w...
- Publication number 20030048507
- Publication date Mar 13, 2003
- NEC Corporation
- Hirofumi Shimomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cross-connect switch and network
- Publication number 20030002106
- Publication date Jan 2, 2003
- NEC Corporation
- Seigo Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical add-drop multiplexer
- Publication number 20020131116
- Publication date Sep 19, 2002
- NEC Corporation
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical packet exchange system and optical switch
- Publication number 20020131120
- Publication date Sep 19, 2002
- Soichiro Araki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal repeating and amplifying device and optical level ad...
- Publication number 20020126372
- Publication date Sep 12, 2002
- Hirofumi Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical packet exchange system and optical switch
- Publication number 20020109882
- Publication date Aug 15, 2002
- Soichiro Araki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical switch, optical amplifier and optical power controller as w...
- Publication number 20020003644
- Publication date Jan 10, 2002
- NEC Corporation
- Hirofumi Shimomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and system for transmission and reception of asynchronously...
- Publication number 20010046232
- Publication date Nov 29, 2001
- NEC Corporation
- Kazuo Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength multiplexing system, wavelength adjusting system, and op...
- Publication number 20010026565
- Publication date Oct 4, 2001
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Naoya Henmi

Person

Patents Grantslast 30 patents

Ring network for sharing protection resource by working communicati...

Optical switch, optical amplifier and optical power controller as w...

Method and system for transmission and reception of asynchronously...

Optical packet exchange system and optical switch

Optical add-drop multiplexer

Optical switch and optical network

Optical ring system

Optical receiving circuit and optical communication device

Ring network for sharing protection resource by working communicati...

Optical communication network node

Optical packet exchange system and optical switch

Optical signal monitoring method and apparatus

Optical switch, optical amplifier and optical power controller as w...

Optical switching apparatus using wavelength division multiplexing...

Optical packet exchange system and optical switch

Optical network

Optical switch, optical amplifier and optical power controller as w...

Optical wave network system and method of monitoring a network trouble

Optical add-drop multiplexer

Optical signal repeating and amplifying device and optical level ad...

Bit synchronization circuit

Optical communication transmission system

Optical switch and optical switch system

Optical communication system using wavelength-division multiplexed...

Optical communication system using wavelength-division multiplexed...

Optical network, optical division and insertion node and recovery s...

Network node for switching quality detector to incoming signal spec...

Optical communication network apparatus and optical switching network

Datalink system and communication network

Optical transmission system

Patents Applicationslast 30 patents

Method and system for transmission and reception of asynchronously...

Optical switch and optical network

Ring network for sharing protection resource by working communicati...

Optical switch, optical amplifier and optical power controller as w...

Cross-connect switch and network

Optical add-drop multiplexer

Optical packet exchange system and optical switch

Optical signal repeating and amplifying device and optical level ad...

Optical packet exchange system and optical switch

Optical switch, optical amplifier and optical power controller as w...

Method and system for transmission and reception of asynchronously...

Wavelength multiplexing system, wavelength adjusting system, and op...