Takahiro Shiozawa

Person

Chiyoda-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Numerical control device, wire electric discharge machining apparat...
- Patent number 9,272,349
- Issue date Mar 1, 2016
- Mitsubishi Electric Corporation
- Yasuo Onodera
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wire electric discharge machining apparatus
- Patent number 9,168,603
- Issue date Oct 27, 2015
- Mitsubishi Electric Corporation
- Yasuo Onodera
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Serial digital signal transmission apparatus
- Patent number 7,269,225
- Issue date Sep 11, 2007
- NEC Corporation
- Takahiro Shiozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switcher used for broadcast station
- Patent number 6,859,579
- Issue date Feb 22, 2005
- NEC Corporation
- Takahiro Shiozawa
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Piezo-electric actuator control method and device and variable wave...
- Patent number 6,046,525
- Issue date Apr 4, 2000
- NEC Corporation
- Takahiro Shiozawa
- G01 - MEASURING TESTING
Information Patent Grant
Hitless switching apparatus and method for optical network
- Patent number 5,471,332
- Issue date Nov 28, 1995
- NEC Corporation
- Tatsuya Shiragaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength switching light source
- Patent number 5,394,418
- Issue date Feb 28, 1995
- NEC Corporation
- Takahiro Shiozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency stabilization method of semiconductor laser, frequency-st...
- Patent number 5,392,303
- Issue date Feb 21, 1995
- NEC Corporation
- Takahiro Shiozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for controlling acousto-optic filter
- Patent number 5,357,097
- Issue date Oct 18, 1994
- NEC Corporation
- Takahiro Shiozawa
- G02 - OPTICS
Information Patent Grant
Hologram scanner
- Patent number 4,768,847
- Issue date Sep 6, 1988
- Yokogawa Electric Corporation
- Hideto Iwaoka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
NUMERICAL CONTROL DEVICE, WIRE ELECTRIC DISCHARGE MACHINING APPARAT...
- Publication number 20130024020
- Publication date Jan 24, 2013
- MITSUBISHI ELECTRIC CORPORATION
- Yasuo Onodera
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WIRE ELECTRIC DISCHARGE MACHINING APPARATUS
- Publication number 20120103943
- Publication date May 3, 2012
- Mitsubishi Electric Corporation
- Yasuo Onodera
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Serial digital signal transmission apparatus
- Publication number 20040022330
- Publication date Feb 5, 2004
- NEC Corporation
- Takahiro Shiozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical switcher used for broadcast station
- Publication number 20030063841
- Publication date Apr 3, 2003
- NEC Corporation
- Takahiro Shiozawa
- B81 - MICRO-STRUCTURAL TECHNOLOGY

Takahiro Shiozawa

Person

Patents Grantslast 30 patents

Numerical control device, wire electric discharge machining apparat...

Wire electric discharge machining apparatus

Serial digital signal transmission apparatus

Optical switcher used for broadcast station

Piezo-electric actuator control method and device and variable wave...

Hitless switching apparatus and method for optical network

Wavelength switching light source

Frequency stabilization method of semiconductor laser, frequency-st...

Method and apparatus for controlling acousto-optic filter

Hologram scanner

Patents Applicationslast 30 patents

NUMERICAL CONTROL DEVICE, WIRE ELECTRIC DISCHARGE MACHINING APPARAT...

WIRE ELECTRIC DISCHARGE MACHINING APPARATUS

Serial digital signal transmission apparatus

Optical switcher used for broadcast station