Inventor
YAMAGUCHI MASAYUKI
JP85 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
19 patentsUS6031851AFeb 29, 2000
Mode-locked semiconductor laser and method of driving the same
NEC CORP82 citations96
US5953359ASep 14, 1999
Laser diode array and fabrication method thereof
NEC CORP65 citations96
US5825047AOct 20, 1998
Optical semiconductor device
NEC CORP119 citations96
US4719636AJan 12, 1988
Wavelength tunable semiconductor laser device provided with control regions
NEC CORP61 citations96
US4796273AJan 3, 1989
Distributed feedback semiconductor laser
NEC CORP51 citations93
US4759023AJul 19, 1988
Monolithically integrated semiconductor optical device and method of fabricating same
NEC CORP45 citations93
US4704720ANov 3, 1987
Distributed-feedback semiconductor laser
NEC CORP45 citations93
US5541945AJul 30, 1996
Wavelength-tunable semiconductor laser
NEC CORP23 citations92
US5392303AFeb 21, 1995
Frequency stabilization method of semiconductor laser, frequency-stabilized light source and laser module
NEC CORP47 citations92
US4751710AJun 14, 1988
Semiconductor laser device
NEC CORP40 citations92
US6456111B1Sep 24, 2002
Receiver circuit for a complementary signal
NEC CORP11 citations74
US5936992AAug 10, 1999
Method for selecting a semiconductor integrated optical modulator/laser light source device
NEC CORP5 citations74
US5789274AAug 4, 1998
Wavelength-tunable semiconductor laser and fabrication process thereof
NEC CORP15 citations74
US5732097AMar 24, 1998
Modulating circuit for semiconductor optical modulator
NEC CORP12 citations74
US5604827AFeb 18, 1997
Method for selecting a semiconductor integrated optical modulator/laser light source device
NEC CORP11 citations74
US5284791AFeb 8, 1994
Method of making tunable semiconductor laser
NEC CORP16 citations74
US4835788AMay 30, 1989
Distributed feedback semiconductor laser
NEC CORP8 citations74
US4751719AJun 14, 1988
Distributed feedback semiconductor laser device
NEC CORP18 citations74
US6330266B1Dec 11, 2001
Method for selecting a semiconductor integrated optical modulator/laser light source device
NEC CORP3 citations63
TS TECH CO LTD
5 patentsUS9896005B2Feb 20, 2018
Vehicle seat
TS TECH CO LTD5 citations84
US9346379B2May 24, 2016
Vehicle seat
TS TECH CO LTD5 citations84
US9061613B2Jun 23, 2015
Vehicle seat
TS TECH CO LTD5 citations84
US11833929B2Dec 5, 2023
Vehicle seat
TS TECH CO LTD0 citations62
US11560076B2Jan 24, 2023
Vehicle seat
TS TECH CO LTD0 citations62
TOSOH CORP
4 patentsUS6166144ADec 26, 2000
Polypropylene resin composition
TOSOH CORP13 citations74
US5608008AMar 4, 1997
Polypropylene resin composition and molded product
TOSOH CORP15 citations74
US7652106B2Jan 26, 2010
Resin composition containing poly-3-hydroxybutyrate polymer, and method for producing the same
TOSOH CORP4 citations63
US7544422B2Jun 9, 2009
Laminate
TOSOH CORP3 citations63
NIPPON STEEL CORP
3 patentsSEIKO EPSON CORP
2 patentsNEC ELECTRONICS CORP
2 patentsDENSO CORP
2 patentsMATSUMOTO TOMOKI
1 patentADACHI TAKAMASA
1 patentHONDA MOTOR CO LTD
1 patentFUJI OIL CO LTD
1 patentYAMAGUCHI MASAYUKI
1 patentNAKAZONO DAISUKE
1 patentSHARP KK
1 patentKIMOTO KK
1 patentLEI SHAWMIN
1 patentMATSUSHITA ELECTRONICS CORP
1 patentDAINIPPON SCREEN MFG
1 patentNIPPON DENSO CO
1 patentSHENZHEN TOREY MICROELECTRONIC TECH CO LTD
1 patentShowing the top 50 of 85 patents by PatentIndex Score.