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
Automated incorporation of expert feedback into a monitoring system
Detachably integrated battery charger for mobile cell phones and like devices
Engineered magnetic layer with improved perpendicular anisotropy using glassing agents for spintronic applications
Method and apparatus for the prevention of a service degradation attack
Adaptive contact window wherein the probability that an answering user/expert will respond to a question corresponds to the answering users having response rates that are based on the time of
Serial transmission system including transmitter apparatus and receiver apparatus, for use in transmission of AV data
Heteroleptic iridium complexes as dopants
  Randomly Featured Patents
Sensitive emission light gathering and flow through detection system
Device with heating element for exhaust gas cleaning
Method for improving reliability of multi-core processor computer
Shirred sausage casing and process for its production
Multi-purpose modular jack connecting block
Electrochemical cell having a controlled electrode surface and associated fabrication and chemical process
Retroviral packaging cell lines and processes of using same
Glass stability, glass forming ability, and microstructural refinement
Remote control
Electromagnetic actuator having a slender structure