Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Tachikawa; Yoshihiko
Address:
Tokyo, JP
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
6008487 Optical-fiber inspection device December 28, 1999
In the primary invention of this application, an optical-fiber inspection device which detects the distance to a reflection point within the DUT and the amount of reflected light by dividing into two a laser beam which is possible to be frequency-swept, making one of the divided light be
5933235 Optical spectrum analyzer and spectrometer August 3, 1999
A first invention of the present application is an optical spectrum analyzer comprising a spectrometer apparatus an arithmetic unit for calculating the center wavelength from output signals from photo detector devices of a device array included in the spectrometer apparatus and from
5844235 Optical frequency domain reflectometer for use as an optical fiber testing device December 1, 1998
In the primary invention of this application, an optical-fiber inspection device which detects the distance to a reflection point within the DUT and the amount of reflected light by dividing into two a laser beam which is possible to be frequency-swept, making one of the divided light be










 
 
  Recently Added Patents
Solar cell and manufacturing method thereof
Method and system for authenticating a mobile terminal in a wireless communication system
A/D converter, solid-state imaging device and camera system
Health plan management method and apparatus
System and method for organizing, managing and running enterprise-wide scans
Method for producing insulated electrodes for applying electric fields into conductive material
Chlorine dioxide precursor and methods of using same
  Randomly Featured Patents
Projection night light
Imidazo[1,5-.alpha.][1,4]benzodiazepines
Lift arm with improved chain connector
Drive device for a front-loading washing machine
Multiplexing high priority, low bandwidth information on a traditional link protocol
Liquid crystal display device
Acrylyl-terminated urea-urethane compositions
Method and data storage system for providing multiple partition support
Downhole pump unseating apparatus and method
Convertible luggage