Etsu Hashimoto

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical connector cleaning tool
- Patent number 12,222,558
- Issue date Feb 11, 2025
- NTT ADVANCED TECHNOLOGY CORPORATION
- Shuichiro Asakawa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Optical connector cleaning tool and optical connector cleaning tool...
- Patent number 11,911,805
- Issue date Feb 27, 2024
- NTT Advanced Technology Corporation
- Etsu Hashimoto
- B08 - CLEANING
Information Patent Grant
Optical connector cleaning tool
- Patent number 11,880,073
- Issue date Jan 23, 2024
- NTT ADVANCED TECHNOLOGY CORPORATION
- Shuichiro Asakawa
- G02 - OPTICS
Information Patent Grant
End face observation device
- Patent number 10,006,831
- Issue date Jun 26, 2018
- Nippon Telegraph and Telephone Corporation
- Yuichi Higuchi
- G02 - OPTICS
Information Patent Grant
Optical input/output device
- Patent number 9,588,300
- Issue date Mar 7, 2017
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- G02 - OPTICS
Information Patent Grant
Wavelength selection switch system and method for controlling wavel...
- Patent number 9,294,826
- Issue date Mar 22, 2016
- Nippon Telegraph and Telephone Corporation
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength selection switch system and method for controlling wavel...
- Patent number 9,247,324
- Issue date Jan 26, 2016
- Nippon Telegraph and Telephone Corporation
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch
- Patent number 8,699,832
- Issue date Apr 15, 2014
- Nippon Telegraph and Telephone Corporation
- Nobuaki Matsuura
- G02 - OPTICS
Information Patent Grant
Micromirror device and micromirror array
- Patent number 8,599,460
- Issue date Dec 3, 2013
- Nippon Telegraph and Telephone Corporation
- Mitsuo Usui
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Laser oscillator, optical communication method and system
- Patent number 7,139,491
- Issue date Nov 21, 2006
- Nippon Telegraph and Telephone Corporation
- Yoshitada Katagiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser oscillator, optical communication method and system
- Patent number 7,050,723
- Issue date May 23, 2006
- Nippon Telegraph and Telephone Corporation
- Yoshitada Katagiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ultrahigh-speed clock extraction circuit
- Patent number 7,024,122
- Issue date Apr 4, 2006
- Nippon Telegraph and Telephone Corporation
- Kentaro Uchiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for measuring temperature of movable object
- Patent number 6,695,471
- Issue date Feb 24, 2004
- Nippon Telegraph and Telephone Corporation
- Etsu Hashimoto
- G01 - MEASURING TESTING
Information Patent Grant
Bit-phase synchronized optical pulse stream local generator
- Patent number 6,560,007
- Issue date May 6, 2003
- Nippon Telegraph and Telephone Corporation
- Kentaro Uchiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL
- Publication number 20240094474
- Publication date Mar 21, 2024
- NTT Advanced Technology Corporation
- Shuichiro ASAKAWA
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL
- Publication number 20230221499
- Publication date Jul 13, 2023
- NTT ADVANCED TECHNOLOGY CORPORATION
- Etsu HASHIMOTO
- B08 - CLEANING
Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL
- Publication number 20220137307
- Publication date May 5, 2022
- NTT Advanced Technology Corporation
- Terumasa KAMOUCHI
- B08 - CLEANING
Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL AND OPTICAL CONNECTOR CLEANING TOOL...
- Publication number 20220088645
- Publication date Mar 24, 2022
- NTT ADVANCED TECHNOLOGY CORPORATION
- Etsu HASHIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL
- Publication number 20220026642
- Publication date Jan 27, 2022
- NTT Advanced Technology Corporation
- Shuichiro ASAKAWA
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
END FACE OBSERVATION DEVICE
- Publication number 20160313211
- Publication date Oct 27, 2016
- Nippon Telegraph and Telephone Corporation
- Yuichi Higuchi
- G02 - OPTICS
Information Patent Application
LIGHT INPUT/OUTPUT DEVICE
- Publication number 20150316725
- Publication date Nov 5, 2015
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- G02 - OPTICS
Information Patent Application
WAVELENGTH SELECTION SWITCH SYSTEM AND METHOD FOR CONTROLLING WAVEL...
- Publication number 20150030327
- Publication date Jan 29, 2015
- Nippon Telegraph and Telephone Corporation
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SWITCH
- Publication number 20120093458
- Publication date Apr 19, 2012
- Nobuaki Matsuura
- G02 - OPTICS
Information Patent Application
MICROMIRROR DEVICE AND MICROMIRROR ARRAY
- Publication number 20100118372
- Publication date May 13, 2010
- Mitsuo Usui
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Laser oscillator, optical communication method and system
- Publication number 20060193636
- Publication date Aug 31, 2006
- Nippon Telegraph and Telephone Corporation
- Yoshitada Katagiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Laser oscillator, optical communication method and system
- Publication number 20040196876
- Publication date Oct 7, 2004
- Nippon Telegraph and Telephone Corporation
- Yoshitada Katagiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ultrahigh-speed clock extraction circuit
- Publication number 20030117196
- Publication date Jun 26, 2003
- Nippon Telegraph and Telephone Corporation
- Kentaro Uchiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for measuring temperature of movable object
- Publication number 20030007545
- Publication date Jan 9, 2003
- Etsu Hashimoto
- G01 - MEASURING TESTING
Information Patent Application
Bit-phase synchronized optical pulse stream local generator
- Publication number 20020027692
- Publication date Mar 7, 2002
- Nippon Telegraph and Telephone Corporation
- Kentaro Uchiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Etsu Hashimoto

Person

Patents Grantslast 30 patents

Optical connector cleaning tool

Optical connector cleaning tool and optical connector cleaning tool...

Optical connector cleaning tool

End face observation device

Optical input/output device

Wavelength selection switch system and method for controlling wavel...

Wavelength selection switch system and method for controlling wavel...

Optical switch

Micromirror device and micromirror array

Laser oscillator, optical communication method and system

Laser oscillator, optical communication method and system

Ultrahigh-speed clock extraction circuit

Method and apparatus for measuring temperature of movable object

Bit-phase synchronized optical pulse stream local generator

Patents Applicationslast 30 patents

OPTICAL CONNECTOR CLEANING TOOL

OPTICAL CONNECTOR CLEANING TOOL

OPTICAL CONNECTOR CLEANING TOOL

OPTICAL CONNECTOR CLEANING TOOL AND OPTICAL CONNECTOR CLEANING TOOL...

OPTICAL CONNECTOR CLEANING TOOL

END FACE OBSERVATION DEVICE

LIGHT INPUT/OUTPUT DEVICE

WAVELENGTH SELECTION SWITCH SYSTEM AND METHOD FOR CONTROLLING WAVEL...

OPTICAL SWITCH

MICROMIRROR DEVICE AND MICROMIRROR ARRAY

Laser oscillator, optical communication method and system

Laser oscillator, optical communication method and system

Ultrahigh-speed clock extraction circuit

Method and apparatus for measuring temperature of movable object

Bit-phase synchronized optical pulse stream local generator