Inventor
USUKI TATSUYA
JP23 patents
⚠️ This page may combine multiple inventors who share the name “USUKI TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
20 patentsUS5369288ANov 29, 1994
Semiconductor device for switching a ballistic flow of carriers
FUJITSU LTD127 citations97
US6815759B2Nov 9, 2004
Semiconductor memory with floating gate type FET
FUJITSU LTD21 citations92
US6462374B2Oct 8, 2002
Semiconductor device and method for fabricating the same
FUJITSU LTD19 citations92
US6195292B1Feb 27, 2001
Semiconductor memory with floating gate type FET
FUJITSU LTD20 citations92
US9419410B2Aug 16, 2016
Optical semiconductor device and method for controlling driving circuit
FUJITSU LTD13 citations84
US7288813B2Oct 30, 2007
Direct tunneling semiconductor memory device and fabrication process thereof
FUJITSU LTD10 citations83
US10830950B2Nov 10, 2020
Optical transmitter-receiver
FUJITSU LTD2 citations73
US10164713B2Dec 25, 2018
Optical transmitter, optical modulator module, and optical transmission system
FUJITSU LTD2 citations73
US7465595B2Dec 16, 2008
Quantum device, manufacturing method of the same and controlling method of the same
FUJITSU LTD8 citations70
US7700937B2Apr 20, 2010
Single-photon generating device, single-photon detecting device, and optical quantum gate
FUJITSU LTD2 citations63
US7768692B2Aug 3, 2010
Single-photon generator
FUJITSU LTD3 citations62
US7492901B2Feb 17, 2009
Single-photon generator and single-photon generating method
FUJITSU LTD6 citations62
US7462539B2Dec 9, 2008
Direct tunneling memory with separated transistor and tunnel areas
FUJITSU LTD3 citations62
US7288811B2Oct 30, 2007
Direct tunneling memory with separated transistor and tunnel areas
FUJITSU LTD4 citations62
US7432153B2Oct 7, 2008
Direct tunneling semiconductor memory device and fabrication process thereof
FUJITSU LTD4 citations61
US7795694B2Sep 14, 2010
Quantum device, manufacturing method of the same and controlling method of the same
FUJITSU LTD3 citations59
US9874768B2Jan 23, 2018
Optical modulation device
FUJITSU LTD0 citations52
US8942276B2Jan 27, 2015
Transmission apparatus
FUJITSU LTD0 citations52
US7679076B2Mar 16, 2010
Optical semiconductor device and method of manufacturing the same
FUJITSU LTD1 citations52
US7801309B2Sep 21, 2010
Private key delivery system and a private key delivery method
FUJITSU LTD1 citations51
NEC CORP
3 patentsUS9621279B2Apr 11, 2017
Optical receiver circuit
NEC CORP5 citations73
US11212214B2Dec 28, 2021
Parallel computer system, method of controlling a parallel computer system, and a non-temporary computer-readable medium that stores a program
NEC CORP0 citations52
US9500823B2Nov 22, 2016
Opto-electric integrated circuit and optical interposer
NEC CORP0 citations52