P

Inventor

KAWANISHI SATOKI

JP20 patents
⚠️ This page may combine multiple inventors who share the name “KAWANISHI SATOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

13 patents
US6788865B2Sep 7, 2004

Polarization maintaining optical fiber with improved polarization maintaining property

NIPPON TELEGRAPH & TELEPHONE247 citations99
US6404966B1Jun 11, 2002

Optical fiber

NIPPON TELEGRAPH & TELEPHONE134 citations98
US5999548ADec 7, 1999

White optical pulse source and applications

NIPPON TELEGRAPH & TELEPHONE113 citations97
US5646774AJul 8, 1997

Mode-locked laser stabilizing method and apparatus

NIPPON TELEGRAPH & TELEPHONE65 citations96
US6204944B1Mar 20, 2001

All-optical time-division demultiplexing circuit and all-optical TDM-WDM conversion circuit

NIPPON TELEGRAPH & TELEPHONE61 citations95
US5267256ANov 30, 1993

Wavelength division multiplex type mode - lock laser device

NIPPON TELEGRAPH & TELEPHONE78 citations95
US5590143ADec 31, 1996

Multiple-frequency-modulation type mode-locked laser device

NIPPON TELEGRAPH & TELEPHONE23 citations92
US5706113AJan 6, 1998

Phase lock loop circuit using optical correlation detection

NIPPON TELEGRAPH & TELEPHONE28 citations91
US5574588ANov 12, 1996

Phase lock loop circuit using optical correlation detection

NIPPON TELEGRAPH & TELEPHONE24 citations91
US7373086B2May 13, 2008

Standard radio frequency signal generating method and standard radio frequency signal generating device

NIPPON TELEGRAPH & TELEPHONE9 citations84
US7151897B2Dec 19, 2006

Optical clock phase-locked loop circuit

NIPPON TELEGRAPH & TELEPHONE2 citations62
US6842565B2Jan 11, 2005

Optical modulation/multiplexing circuit

NIPPON TELEGRAPH & TELEPHONE2 citations62
US8014645B2Sep 6, 2011

Dispersion shifted optical fiber

NIPPON TELEGRAPH & TELEPHONE2 citations61

ANRITSU CORP

4 patents

SUMITOMO ELECTRIC INDUSTRIES

1 patent

FURUKAWA ELECTRIC CO LTD

1 patent

MITSUBISHI CABLE IND LTD

1 patent