Kirisawa; Ryouhei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kirisawa; Ryouhei.The latest application filed is for "nonvolatile semiconductor memory device and method for manufacturing same".

Company Profile

7.80.38

Kirisawa; Ryouhei - Kanagawa JP
KIRISAWA; Ryouhei - Yokohama JP
Kirisawa; Ryouhei - Kanagawa-ken JP
Kirisawa; Ryouhei - Yokohama-shi JP
Kirisawa; Ryouhei - Kitakami 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
Nonvolatile semiconductor memory device and method for driving same Grant RE49,152 - Katsumata , et al. July 26, 2	2022-07-26
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20220139955 - FUKUZUMI; Yoshiaki ; et al.	2022-05-05
Nonvolatile semiconductor memory device and method for manufacturing same Grant 11,257,842 - Fukuzumi , et al. February 22, 2	2022-02-22
Nonvolatile semiconductor memory device and method for driving same Grant RE48,191 - Katsumata , et al. Sep	2020-09-01
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20200243560 - FUKUZUMI; Yoshiaki ; et al.	2020-07-30
Nonvolatile semiconductor memory device and method for manufacturing same Grant 10,658,383 - Fukuzumi , et al.	2020-05-19
Nonvolatile semiconductor memory device Grant RE47,815 - Kirisawa , et al. Ja	2020-01-14
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20190348437 - FUKUZUMI; Yoshiaki ; et al.	2019-11-14
Nonvolatile semiconductor memory device and method for manufacturing same Grant 10,418,378 - Fukuzumi , et al. Sept	2019-09-17
Nonvolatile semiconductor memory device Grant RE46,957 - Mikajiri , et al. July 17, 2	2018-07-17
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20180197878 - Fukuzumi; Yoshiaki ; et al.	2018-07-12
Nonvolatile semiconductor memory device Grant RE46,809 - Kirisawa , et al. April 24, 2	2018-04-24
Nonvolatile semiconductor memory device and method for driving same Grant RE46,785 - Katsumata , et al. April 10, 2	2018-04-10
Nonvolatile semiconductor memory device and method for manufacturing same Grant 9,941,296 - Fukuzumi , et al. April 10, 2	2018-04-10
Nonvolatile semiconductor memory device and method for manufacturing same Grant 9,601,503 - Fukuzumi , et al. March 21, 2	2017-03-21
Nonvolatile semiconductor memory device and method for manufacturing same Grant 9,318,503 - Fukuzumi , et al. April 19, 2	2016-04-19
Nonvolatile semiconductor memory device Grant RE45,972 - Kirisawa , et al. April 12, 2	2016-04-12
Nonvolatile semiconductor memory device and method for manufacturing same Grant 9,312,134 - Fukuzumi , et al. April 12, 2	2016-04-12
Nonvolatile semiconductor memory device and method for driving same Grant RE45,840 - Katsumata , et al. January 12, 2	2016-01-12
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20150364489 - FUKUZUMI; Yoshiaki ; et al.	2015-12-17
Nonvolatile semiconductor memory device including floating gate electrodes formed between control gate electrodes and vertically formed along a semiconductor pillar Grant 9,029,934 - Kito , et al. May 12, 2	2015-05-12
Method of operating semiconductor memory device Grant 9,025,377 - Yamada , et al. May 5, 2	2015-05-05
Semiconductor storage device and manufacturing method of semiconductor storage device Grant 8,963,230 - Imamura , et al. February 24, 2	2015-02-24
Nonvolatile semiconductor memory device and method for manufacturing same Grant 8,884,355 - Komori , et al. November 11, 2	2014-11-11
Semiconductor Storage Device And Manufacturing Method Of Semiconductor Storage Device App 20140252450 - IMAMURA; Takeshi ; et al.	2014-09-11
Nonvolatile semiconductor memory device and method for manufacturing same Grant 8,791,464 - Fujiwara , et al. July 29, 2	2014-07-29
Semiconductor storage device and manufacturing method of semiconductor storage device Grant 8,766,351 - Imamura , et al. July 1, 2	2014-07-01
Nonvolatile semiconductor memory device Grant 8,759,897 - Oota , et al. June 24, 2	2014-06-24
Three dimensional nonvolatile semiconductor memory having pillars provided inside an oblate through hole Grant 8,748,971 - Tanaka , et al. June 10, 2	2014-06-10
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20140117434 - Fukuzumi; Yoshiaki ; et al.	2014-05-01
Nonvolatile semiconductor memory device Grant 8,654,586 - Kito , et al. February 18, 2	2014-02-18
Nonvolatile semiconductor memory device and method for manufacturing same Grant 8,653,582 - Fukuzumi , et al. February 18, 2	2014-02-18
Nonvolatile semiconductor memory device and method of manufacturing the same Grant 8,598,643 - Kawasaki , et al. December 3, 2	2013-12-03
Nonvolatile semiconductor memory device and manufacturing method thereof Grant 8,581,326 - Oota , et al. November 12, 2	2013-11-12
Nonvolatile Semiconductor Memory Device App 20130292758 - Oota; Shigeto ; et al.	2013-11-07
Nonvolatile semiconductor memory device and method for manufacturing same Grant 8,541,866 - Katsumata , et al. September 24, 2	2013-09-24
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20130228850 - TANAKA; Hiroyasu ; et al.	2013-09-05
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20130223149 - Kito; Masaru ; et al.	2013-08-29
Nonvolatile semiconductor memory device Grant 8,507,972 - Oota , et al. August 13, 2	2013-08-13
Nonvolatile Semiconductor Memory Device App 20130121081 - Kito; Masaru ; et al.	2013-05-16
Method for manufacturing a vertical nonvolatile semiconductor memory device including forming floating gates within the recesses created on the interlayer insulating films Grant 8,440,528 - Kito , et al. May 14, 2	2013-05-14
Nonvolatile semiconductor memory device and method of manufacturing the same Grant 8,436,415 - Kidoh , et al. May 7, 2	2013-05-07
Non-volatile semiconductor stacked memory device having two semiconductor pillars in a through hole and method for manufacturing same Grant 8,436,414 - Tanaka , et al. May 7, 2	2013-05-07
Nonvolatile semiconductor memory device Grant 8,374,033 - Kito , et al. February 12, 2	2013-02-12
Method for manufacturing nonvolatile semiconductor memory device and nonvolatile semiconductor memory device Grant 8,361,862 - Fukuzumi , et al. January 29, 2	2013-01-29
Method for operating semiconductor memory device Grant 8,351,277 - Mikajiri , et al. January 8, 2	2013-01-08
Nonvolatile semiconductor memory device Grant 8,320,182 - Kirisawa , et al. November 27, 2	2012-11-27
Multi-layer memory device including vertical and U-shape charge storage regions Grant 8,294,191 - Katsumata , et al. October 23, 2	2012-10-23
Nonvolatile Semiconductor Memory Device And Method Of Manufacturing The Same App 20120241846 - KAWASAKI; Kaori ; et al.	2012-09-27
Nonvolatile semiconductor memory device and method for manufacturing same Grant 8,264,031 - Kidoh , et al. September 11, 2	2012-09-11
Nonvolatile semiconductor memory Grant 8,228,737 - Kirisawa July 24, 2	2012-07-24
Nonvolatile semiconductor memory device and method for driving same Grant 8,218,358 - Katsumata , et al. July 10, 2	2012-07-10
Nonvolatile semiconductor memory device Grant 8,199,573 - Fukuzumi , et al. June 12, 2	2012-06-12
Nonvolatile semiconductor memory device Grant 8,194,467 - Mikajiri , et al. June 5, 2	2012-06-05
Semiconductor Storage Device And Manufacturing Method Of Semiconductor Storage Device App 20120132981 - Imamura; Takeshi ; et al.	2012-05-31
Nonvolatile semiconductor memory device and method for manufacturing same Grant 8,188,530 - Tanaka , et al. May 29, 2	2012-05-29
Nonvolatile semiconductor memory device and method for driving same Grant 8,189,371 - Katsumata , et al. May 29, 2	2012-05-29
Nonvolatile semiconductor memory device and method for manufacturing same Grant 8,178,919 - Fujiwara , et al. May 15, 2	2012-05-15
Semiconductor device with fuse portion Grant 8,169,049 - Kirisawa May 1, 2	2012-05-01
Nonvolatile semiconductor memory device Grant 8,169,826 - Hishida , et al. May 1, 2	2012-05-01
Nonvolatile Semiconductor Memory Device And Method For Manufacturing The Same App 20120043599 - Katsumata; Ryota ; et al.	2012-02-23
Method Of Operating Semiconductor Memory Device App 20120026775 - Yamada; Kunihiro ; et al.	2012-02-02
Method For Operating Semiconductor Memory Device App 20110216604 - Mikajiri; Yoshimasa ; et al.	2011-09-08
Nonvolatile Semiconductor Memory Device And Method For Driving Same App 20110103153 - KATSUMATA; Ryota ; et al.	2011-05-05
Nonvolatile Semiconductor Memory Device And Method For Driving Same App 20110103149 - KATSUMATA; Ryota ; et al.	2011-05-05
Nonvolatile Semiconductor Memory Device App 20110075481 - Fukuzumi; Yoshiaki ; et al.	2011-03-31
Nonvolatile Semiconductor Memory Device App 20110063914 - MIKAJIRI; Yoshimasa ; et al.	2011-03-17
Nonvolatile Semiconductor Memory Device App 20110051527 - Kirisawa; Ryouhei ; et al.	2011-03-03
Nonvolatile Semiconductor Memory Device And Method Of Manufacturing The Same App 20110049608 - KIDOH; Masaru ; et al.	2011-03-03
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20110031550 - Komori; Yosuke ; et al.	2011-02-10
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20110018052 - Fujiwara; Tomoko ; et al.	2011-01-27
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20110018050 - FUJIWARA; Tomoko ; et al.	2011-01-27
Nonvolatile Semiconductor Memory Device App 20110002172 - KITO; Masaru ; et al.	2011-01-06
Nonvolatile Semiconductor Memory Device App 20100327340 - OOTA; Shigeto ; et al.	2010-12-30
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20100327339 - TANAKA; Hiroyasu ; et al.	2010-12-30
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20100320526 - KIDOH; Masaru ; et al.	2010-12-23
Nonvolatile Semiconductor Memory Device And Manufacturing Method Thereof App 20100301405 - OOTA; Shigeto ; et al.	2010-12-02
Nonvolatile Semiconductor Memory App 20100265770 - KIRISAWA; Ryouhei	2010-10-21
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20100244119 - Fukuzumi; Yoshiaki ; et al.	2010-09-30
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20100244186 - KATSUMATA; Ryota ; et al.	2010-09-30
Method For Manufacturing Nonvolatile Semiconductor Memory Device And Nonvolatile Semiconductor Memory Device App 20100224928 - FUKUZUMI; Yoshiaki ; et al.	2010-09-09
Non-volatile Semiconductor Memory Device And Method For Manufacturing Same App 20100207194 - TANAKA; Hiroyasu ; et al.	2010-08-19
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20100200906 - KIDOH; Masaru ; et al.	2010-08-12
Nonvolatile Semiconductor Memory Device And Method For Manufacturing Same App 20100181612 - Kito; Masaru ; et al.	2010-07-22
Semiconductor Device App 20100001397 - KIRISAWA; Ryouhei	2010-01-07
Non-volatile semiconductor memory device with nand type memory cell arrays Grant 5,978,265 - Kirisawa , et al. November 2, 1	1999-11-02
Non-volatile semiconductor memory and method of manufacturing the same Grant 5,824,583 - Asano , et al. October 20, 1	1998-10-20
Electrically erasable programmable read-only memory with NAND cell structure Grant RE35,838 - Momodomi , et al. July 7, 1	1998-07-07
Semiconductor memory device Grant 5,768,195 - Nakamura , et al. June 16, 1	1998-06-16
Electrically erasable and programmable non-volatile and multi-level memory systemn with write-verify controller Grant 5,602,789 - Endoh , et al. February 11, 1	1997-02-11
Nonvolatile semiconductor memory device having a small number of internal boosting circuits Grant 5,515,327 - Matsukawa , et al. May 7, 1	1996-05-07
Non-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-through Grant 5,508,957 - Momodomi , et al. April 16, 1	1996-04-16
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels Grant 5,469,444 - Endoh , et al. * November 21, 1	1995-11-21
Non-volatile semiconductor memory NAND structure with differently doped channel stoppers Grant 5,464,998 - Hayakawa , et al. November 7, 1	1995-11-07
Electrically erasable programmable read-only memory with electric field decreasing controller Grant 5,402,373 - Aritome , et al. * March 28, 1	1995-03-28
Nonvolatile semiconductor memory device Grant 5,392,238 - Kirisawa February 21, 1	1995-02-21
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels Grant 5,386,422 - Endoh , et al. January 31, 1	1995-01-31
Non-volatile semiconductor memory and method of manufacturing the same Grant 5,323,039 - Asano , et al. June 21, 1	1994-06-21
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels Grant 5,321,699 - Endoh , et al. June 14, 1	1994-06-14
Electrically erasable programmable read-only memory with electric field decreasing controller Grant 5,293,337 - Aritome , et al. March 8, 1	1994-03-08
Non-volatile semiconductor memory device with voltage stabilizing electrode Grant 5,179,427 - Nakayama , et al. January 12, 1	1993-01-12
Electrically erasable programmable read-only memory with NAND cellstructure Grant 5,050,125 - Momodomi , et al. September 17, 1	1991-09-17
Electrically erasable programmable read-only memory with NAND cell structure Grant 4,959,812 - Momodomi , et al. September 25, 1	1990-09-25
Electrically erasable programmable read-only memory with NAND cell structure that suppresses memory cell threshold voltage variation Grant 4,939,690 - Momodomi , et al. July 3, 1	1990-07-03

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