Inventor · disambiguated record
Yoshihisa Sakai
Also filed as: SAKAI YOSHIHISA
10 granted patents·1 pending application·128 citations·filing 1990–2008
89Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE7ITO TOSHIYASU1NTT ELECTRONICS CORP1SATO KEN-ICHI1TANOBE HIROMASA1
Top patents by PatentIndex Score
11 records- 0194US8157454B2Releasable locking mechanism for optical connectorITO TOSHIYASU·Filed 2008·Granted Apr 17, 2012·54 cites·15 claims
- 0278US6753996B2Light-controlled light modulatorNIPPON TELEGRAPH & TELEPHONE·Filed 2001·Granted Jun 22, 2004·19 cites·34 claims
- 0375US6782210B1Optical packet routing network system based on optical label switching techniqueNIPPON TELEGRAPH & TELEPHONE·Filed 2000·Granted Aug 24, 2004·11 cites·13 claims
- 0470US8333517B2Semiconductor submodule, method for connecting connector and semiconductor submodule, and optical moduleTANOBE HIROMASA·Filed 2008·Granted Dec 18, 2012·7 cites·10 claims
- 0567US7113701B2Optical packet routing network system based on optical label switching techniqueNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Sep 26, 2006·6 cites·4 claims
- 0662US7120358B2Optical packet routing network system based on optical label switching techniqueNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Oct 10, 2006·4 cites·3 claims
- 0762US6842560B2Optical multiplexing circuit and optical multiplexerNTT ELECTRONICS CORP·Filed 2002·Granted Jan 11, 2005·9 cites·30 claims
- 0847US6961169B2Light-controlled light modulatorNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Nov 1, 2005·2 cites·28 claims
- 0947US5025448AMethod and apparatus for stabilizing frequency of semiconductor laserNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Jun 18, 1991·16 cites·20 claims
- 1040US2009041415A1Double-core optical fiberNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Application pending·0 cites
- 1134US8244133B2Optical waveband demultiplexer, optical waveband multiplexer, and optical waveband selective switchSATO KEN-ICHI·Filed 2007·Granted Aug 14, 2012·0 cites·64 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →