Inventor · disambiguated record
Yoshitada Katagiri
Also filed as: KATAGIRI YOSHITADA
12 granted patents·359 citations·filing 1987–2006
93Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE12
Top patents by PatentIndex Score
12 records- 0193US7139491B2Laser oscillator, optical communication method and systemNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Nov 21, 2006·25 cites·10 claims
- 0288US6359724B1Light generation method and light sourceNIPPON TELEGRAPH & TELEPHONE·Filed 2000·Granted Mar 19, 2002·29 cites·46 claims
- 0386US6157025ADisk shaped tunable optical filterNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Dec 5, 2000·76 cites·31 claims
- 0484US4860276AMicro optical head with an optically switched laser diodeNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Aug 22, 1989·40 cites·10 claims
- 0578US5497390APolarization mode switching semiconductor laser apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Mar 5, 1996·66 cites·5 claims
- 0677US6695471B2Method and apparatus for measuring temperature of movable objectNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Feb 24, 2004·24 cites·12 claims
- 0775US6475557B1Method for manufacturing optical filterNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Nov 5, 2002·32 cites·22 claims
- 0873US7050723B2Laser oscillator, optical communication method and systemNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted May 23, 2006·16 cites·19 claims
- 0970US6370169B1Method and apparatus for controlling optical wavelength based on optical frequency pullingNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Apr 9, 2002·29 cites·13 claims
- 1062US5504722AMagneto-optic information storage system utilizing a TE/TM mode controlling laser diodeNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Apr 2, 1996·14 cites·1 claims
- 1161US7023887B2Method and system for controlling optical wavelength based on optical frequency pullingNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Apr 4, 2006·2 cites·8 claims
- 1260US6909732B2Method and apparatus for controlling optical wavelength based on optical frequency pullingNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Jun 21, 2005·6 cites·3 claims
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