Namekawa; Toshimasa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Namekawa; Toshimasa.The latest application filed is for "rectangular-wave-signal generating circuit and switching power supply".

Company Profile

5.46.45

Namekawa; Toshimasa - Ota Tokyo JP
Namekawa; Toshimasa - Tokyo JP
Namekawa; Toshimasa - Ota-ku JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Switching power circuit Grant 11,290,010 - Namekawa , et al. March 29, 2	2022-03-29
Rectangular-wave-signal Generating Circuit And Switching Power Supply App 20210091656 - Namekawa; Toshimasa	2021-03-25
Switching Power Circuit App 20210083574 - Namekawa; Toshimasa ; et al.	2021-03-18
Switching Power Circuit App 20210067037 - Namekawa; Toshimasa ; et al.	2021-03-04
Constant voltage power source circuit Grant 10,871,793 - Namekawa , et al. December 22, 2	2020-12-22
Switched-mode Power Supply And Self-driving Device App 20200304034 - Namekawa; Toshimasa	2020-09-24
Constant Voltage Power Source Circuit App 20190086943 - Namekawa; Toshimasa ; et al.	2019-03-21
Control of a dead time in a DC-DC converter Grant 9,985,549 - Namekawa May 29, 2	2018-05-29
Control Of A Dead Time In A Dc-dc Converter App 20170077821 - NAMEKAWA; Toshimasa	2017-03-16
Step-up/down type power supply circuit Grant 8,928,302 - Namekawa January 6, 2	2015-01-06
DC-DC converter and digital pulse width modulator Grant 8,716,998 - Namekawa , et al. May 6, 2	2014-05-06
Step-up/down Type Power Supply Circuit App 20140084882 - NAMEKAWA; Toshimasa	2014-03-27
Semiconductor electrically programmable fuse (eFuse) having a polysilicon layer not doped with an impurity ion and a programming method thereof Grant 8,279,700 - Wada , et al. October 2, 2	2012-10-02
Dc-dc Converter And Digital Pulse Width Modulator App 20120242314 - Namekawa; Toshimasa ; et al.	2012-09-27
Semiconductor memory device having shift registers Grant 8,130,562 - Kaku , et al. March 6, 2	2012-03-06
Nonvolatile semiconductor memory device Grant 8,120,974 - Matsufuji , et al. February 21, 2	2012-02-21
Nonvolatile semiconductor memory device capable of preventing write-disturb and method of programming Grant 8,116,152 - Kaku , et al. February 14, 2	2012-02-14
Non-volatile semiconductor memory device Grant 8,045,414 - Namekawa October 25, 2	2011-10-25
Semiconductor memory device Grant 8,032,815 - Namekawa , et al. October 4, 2	2011-10-04
Semiconductor device, charge pumping circuit, and semiconductor memory circuit Grant 7,956,397 - Wada , et al. June 7, 2	2011-06-07
Constant voltage boost power supply Grant 7,928,796 - Namekawa April 19, 2	2011-04-19
Sense amp circuit, and semiconductor memory device using the same Grant 7,924,642 - Namekawa April 12, 2	2011-04-12
Nonvolatile semiconductor memory Grant 7,924,598 - Hase , et al. April 12, 2	2011-04-12
Semiconductor device App 20100290303 - Wada; Osamu ; et al.	2010-11-18
Nonvolatile semiconductor memory device Grant 7,796,460 - Matsufuji , et al. September 14, 2	2010-09-14
Semiconductor memory device having shift registers App 20100195410 - KAKU; Daichi ; et al.	2010-08-05
Semiconductor charge pump using MOS (metal oxide semiconductor) transistor for current rectifier device Grant 7,768,341 - Namekawa , et al. August 3, 2	2010-08-03
Nonvolatile Semiconductor Memory Device App 20100182819 - Matsufuji; Kensuke ; et al.	2010-07-22
Nonvolatile Semiconductor Memory Device And Method Of Programming App 20100182858 - KAKU; Daichi ; et al.	2010-07-22
Nonvolatile Semiconductor Memory App 20100177550 - HASE; Mariko ; et al.	2010-07-15
Non-volatile semiconductor storage device Grant 7,733,713 - Nakano , et al. June 8, 2	2010-06-08
Non-volatile Semiconductor Memory Device App 20100110750 - Namekawa; Toshimasa	2010-05-06
Nonvolatile semiconductor storage device having a low resistance write-bit-line and a low capacitance read-bit-line pair Grant 7,656,738 - Namekawa February 2, 2	2010-02-02
Semiconductor integrated circuit device incorporating a data memory testing circuit Grant 7,640,466 - Nakayama , et al. December 29, 2	2009-12-29
Constant Voltage Boost Power Supply App 20090315598 - NAMEKAWA; Toshimasa	2009-12-24
Sense Amp Circuit, And Semiconductor Memory Device Using The Same App 20090303823 - NAMEKAWA; Toshimasa	2009-12-10
Semiconductor device Grant 7,630,226 - Matsufuji , et al. December 8, 2	2009-12-08
Semiconductor memory device in which data is stored in nonvolatile state, by using semiconductor elements of metal oxide semiconductor (MOS) structure Grant 7,613,062 - Nakano , et al. November 3, 2	2009-11-03
Non-volatile semiconductor storage device Grant 7,599,206 - Nakayama , et al. October 6, 2	2009-10-06
Sense amp circuit, and semiconductor memory device using the same Grant 7,590,018 - Namekawa September 15, 2	2009-09-15
Semiconductor Charge Pump Using Mos (metal Oxide Semiconductor) Transistor For Current Rectifier Device App 20090201076 - Namekawa; Toshimasa ; et al.	2009-08-13
Semiconductor device in which capacitance of a MOS capacitor is complemented with the capacitance of a wiring capacitor Grant 7,557,400 - Wada , et al. July 7, 2	2009-07-07
Semiconductor charge pump using MOS (metal oxide semiconductor) transistor for current rectifier device Grant 7,532,062 - Namekawa , et al. May 12, 2	2009-05-12
Nonvolatile semiconductor memory device using nonvolatile storage elements to which data can be written only once Grant 7,505,300 - Namekawa , et al. March 17, 2	2009-03-17
Non-volatile Semiconductor Storage Device App 20090027973 - Nakayama; Atsushi ; et al.	2009-01-29
Nonvolatile Semiconductor Memory Device App 20080316852 - Matsufuji; Kensuke ; et al.	2008-12-25
Semiconductor Charge Pump Using Mos (metal Oxide Semiconductor) Transistor For Current Rectifier Device App 20080246535 - NAMEKAWA; Toshimasa ; et al.	2008-10-09
Semiconductor Device, Charge Pumping Circuit, And Semiconductor Memory Circuit App 20080237673 - Wada; Osamu ; et al.	2008-10-02
Sense Amp Circuit, And Semiconductor Memory Device Using The Same App 20080212384 - NAMEKAWA; Toshimasa	2008-09-04
Semiconductor Device App 20080165586 - MATSUFUJI; Kensuke ; et al.	2008-07-10
Non-volatile Semiconductor Storage Device App 20080165564 - NAMEKAWA; Toshimasa	2008-07-10
One-time programable memory with additional programming time to ensure hard breakdown of the gate insulating film Grant 7,388,770 - Namekawa , et al. June 17, 2	2008-06-17
Semiconductor integrated circuit device including storage unit having nonvolatile and volatile memory element sections Grant 7,382,680 - Nakano , et al. June 3, 2	2008-06-03
Non-volatile Semiconductor Storage Device App 20080094898 - Nakano; Hiroaki ; et al.	2008-04-24
Embedded Semiconductor Memory Device Having Self-timing Control Sense Amplifier App 20080080295 - Namekawa; Toshimasa ; et al.	2008-04-03
Semiconductor integrated circuit device Grant 7,345,927 - Wada , et al. March 18, 2	2008-03-18
Nonvolatile semiconductor memory device to which information can be written only once Grant 7,345,903 - Nakano , et al. March 18, 2	2008-03-18
Nonvolatile Semiconductor Memory Device Using Nonvolatile Storage Elements To Which Data Can Be Written Only Once App 20080062782 - Namekawa; Toshimasa ; et al.	2008-03-13
Semiconductor Memory Device App 20080016427 - NAMEKAWA; Toshimasa ; et al.	2008-01-17
Semiconductor Memory Device In Which Data Is Stored In Nonvolatile State, By Using Semiconductor Elements Of Metal Oxide Semiconductor (mos) Structure App 20080002504 - Nakano; Hiroaki ; et al.	2008-01-03
Semiconductor device including a three or more stage semiconductor charge pump Grant 7,256,641 - Namekawa , et al. August 14, 2	2007-08-14
Nonvolatile semiconductor memory device using irreversible storage elements Grant 7,257,012 - Nakayama , et al. August 14, 2	2007-08-14
Semiconductor Device App 20070181918 - WADA; Osamu ; et al.	2007-08-09
Semiconductor Charge Pump Using Mos (metal Oxide Semiconductor) Transistor For Current Rectifier Device App 20070103224 - Namekawa; Toshimasa ; et al.	2007-05-10
Semiconductor Integrated Circuit Device Including Storage Unit Having Nonvolatile And Volatile Memory Element Sections App 20070070693 - Nakano; Hiroaki ; et al.	2007-03-29
Semiconductor memory device Grant 7,106,649 - Wada , et al. September 12, 2	2006-09-12
Nonvolatile semiconductor memory device App 20060158923 - Namekawa; Toshimasa ; et al.	2006-07-20
Nonvolatile semiconductor memory device to which information can be written only once App 20060133127 - Nakano; Hiroaki ; et al.	2006-06-22
Nonvolatile semiconductor memory device using irreversible storage elements App 20060133167 - Nakayama; Atsushi ; et al.	2006-06-22
Multiple-select multiplexer circuit, semiconductor memory device including a multiplexer circuit and method of testing the semiconductor memory device Grant 7,064,571 - Namekawa June 20, 2	2006-06-20
Semiconductor device realized by using partial SOI technology Grant 7,061,814 - Namekawa , et al. June 13, 2	2006-06-13
Semiconductor integrated circuit device including OTP memory, and method of programming OTP memory Grant 7,046,569 - Ito , et al. May 16, 2	2006-05-16
Semiconductor device App 20060049866 - Namekawa; Toshimasa ; et al.	2006-03-09
Semiconductor memory device App 20060044924 - Wada; Osamu ; et al.	2006-03-02
Semiconductor integrated circuit device incorporating a data memory testing circuit App 20050276113 - Nakayama, Atsushi ; et al.	2005-12-15
Semiconductor integrated circuit device including OTP memory, and method of programming OTP memory App 20050226078 - Ito, Hiroshi ; et al.	2005-10-13
Multiple-select multiplexer circuit, semiconductor memory device including a multiplexer circuit and method of testing the semiconductor memory device App 20050213394 - Namekawa, Toshimasa	2005-09-29
Semiconductor integrated circuit device App 20050174866 - Wada, Osamu ; et al.	2005-08-11
Semiconductor device realized by using partial SOI technology App 20040190329 - Namekawa, Toshimasa ; et al.	2004-09-30
Semiconductor device realized by using partial SOI technology Grant 6,744,680 - Namekawa , et al. June 1, 2	2004-06-01
Electronic circuit and semiconductor storage device Grant 6,721,213 - Nakayama , et al. April 13, 2	2004-04-13
Semiconductor device preventing signal delay among wirings Grant 6,650,574 - Namekawa November 18, 2	2003-11-18
Memory-embedded LSI Grant 6,601,199 - Fukuda , et al. July 29, 2	2003-07-29
Semiconductor device realized by using partial SOI technology App 20030123273 - Namekawa, Toshimasa ; et al.	2003-07-03
Semiconductor device preventing signal delay among wirings App 20030072189 - Namekawa, Toshimasa	2003-04-17
Electronic circuit and semiconductor storage device App 20030042955 - Nakayama, Atsushi ; et al.	2003-03-06
Semiconductor device with power supply wirings and expanded wirable regions for users Grant 6,529,406 - Namekawa March 4, 2	2003-03-04
Semiconductor device realized by using partial SOI technology Grant 6,529,399 - Namekawa , et al. March 4, 2	2003-03-04
Semiconductor integrated circuit having power-supply circuits for producing internal supply voltages Grant 6,205,079 - Namekawa March 20, 2	2001-03-20
Dynamic random access memory capable of simultaneously writing identical data to memory cells Grant 6,154,406 - Miyano , et al. November 28, 2	2000-11-28

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