Ohba; Ryuji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohba; Ryuji.The latest application filed is for "memory device".
Company Profile
0.28.29
- Ohba; Ryuji - Mie-ken JP
- Ohba; Ryuji - Yokkaichi Mie JP
- Ohba; Ryuji - Mie JP
- OHBA; Ryuji - Yokkaichi JP
- Ohba; Ryuji - Kawasaki N/A JP
- OHBA; Ryuji - Kawasaki-shi JP
- OHBA; Ryuji - Kanagawa-ken JP
Patent Activity
| Patent | Date |
|---|---|
| Semiconductor storage device Grant 10,903,228 - Sasaki , et al. January 26, 2 | 2021-01-26 |
| Memory device Grant 10,658,480 - Ohba | 2020-05-19 |
| Memory Device App 20190296118 - OHBA; Ryuji | 2019-09-26 |
| Semiconductor Storage Device App 20190273092 - SASAKI; Hiroki ; et al. | 2019-09-05 |
| Memory device Grant 9,721,654 - Ohba August 1, 2 | 2017-08-01 |
| Nonvolatile Semiconductor Memory Device And Method Of Manufacturing The Same App 20170077111 - OHBA; Ryuji | 2017-03-16 |
| Non-volatile Semiconductor Memory Device And Method Of Manufacturing The Same App 20160260815 - OHBA; Ryuji | 2016-09-08 |
| Semiconductor Memory Device App 20160071853 - OHBA; Ryuji | 2016-03-10 |
| Semiconductor Device And Method Of Manufacturing The Same App 20150263121 - HIRAYAMA; Kana ; et al. | 2015-09-17 |
| Memory device Grant 9,061,898 - Ohba June 23, 2 | 2015-06-23 |
| Nonvolatile semiconductor memory device Grant 9,041,091 - Ohba May 26, 2 | 2015-05-26 |
| Memory device Grant 8,969,843 - Ohba March 3, 2 | 2015-03-03 |
| Nonvolatile Semiconductor Memory Device And Method Of Manufacturing The Same App 20150021678 - OHBA; Ryuji | 2015-01-22 |
| Nonvolatile semiconductor memory Grant 8,916,923 - Ohba December 23, 2 | 2014-12-23 |
| Nonvolatile semiconductor memory device with a narrowing charge storage layer Grant 8,890,231 - Ohba November 18, 2 | 2014-11-18 |
| Nonvolatile Semiconductor Memory Device App 20140284679 - OHBA; Ryuji | 2014-09-25 |
| Memory Device App 20140231740 - Ohba; Ryuji | 2014-08-21 |
| Nonvolatile semiconductor memory Grant 8,742,489 - Ohba , et al. June 3, 2 | 2014-06-03 |
| Semiconductor device and method for manufacturing the same Grant RE44,630 - Kai , et al. December 10, 2 | 2013-12-10 |
| Semiconductor memory Grant 8,587,050 - Ohba November 19, 2 | 2013-11-19 |
| Nonvolatile Semiconductor Memory Device And Method Of Manufacturing The Same App 20130248967 - OHBA; Ryuji | 2013-09-26 |
| Memory Device App 20130082319 - OHBA; Ryuji | 2013-04-04 |
| Semiconductor Memory Device App 20130015518 - SATO; Hiroyasu ; et al. | 2013-01-17 |
| Random number generating device Grant 8,307,022 - Matsumoto , et al. November 6, 2 | 2012-11-06 |
| Semiconductor Memory App 20120235219 - OHBA; Ryuji | 2012-09-20 |
| Nonvolatile Semiconductor Memory App 20120235223 - OHBA; Ryuji ; et al. | 2012-09-20 |
| Nonvolatile Semiconductor Memory App 20120061746 - Ohba; Ryuji | 2012-03-15 |
| Semiconductor device and method for manufacturing the same Grant 8,115,248 - Kai , et al. February 14, 2 | 2012-02-14 |
| Nonvolatile Semiconductor Memory Device And Method Of Manufacturing The Same App 20120018792 - Matsushita; Daisuke ; et al. | 2012-01-26 |
| Random number generating device Grant 8,039,890 - Matsumoto , et al. October 18, 2 | 2011-10-18 |
| Random Number Generating Device App 20090327379 - Matsumoto; Mari ; et al. | 2009-12-31 |
| Semiconductor device Grant 7,629,642 - Ohba December 8, 2 | 2009-12-08 |
| Semiconductor Device And Method For Manufacturing The Same App 20090212349 - Kai; Tetsuya ; et al. | 2009-08-27 |
| Random number generating element Grant 7,573,094 - Ohba , et al. August 11, 2 | 2009-08-11 |
| Random Number Generating Device App 20070296025 - Matsumoto; Mari ; et al. | 2007-12-27 |
| Logic apparatus and logic circuit Grant 7,138,651 - Uchida , et al. November 21, 2 | 2006-11-21 |
| Random number generating circuit Grant 7,111,029 - Fujita , et al. September 19, 2 | 2006-09-19 |
| Semiconductor device App 20060124991 - Ohba; Ryuji | 2006-06-15 |
| Random number generating element App 20050180219 - Ohba, Ryuji ; et al. | 2005-08-18 |
| Logic apparatus and logic circuit App 20040262598 - Uchida, Ken ; et al. | 2004-12-30 |
| Logic apparatus and logic circuit Grant 6,787,795 - Uchida , et al. September 7, 2 | 2004-09-07 |
| Semiconductor device with negative differential resistance characteristics Grant 6,690,030 - Koga , et al. February 10, 2 | 2004-02-10 |
| Semiconductor storage element Grant 6,680,505 - Ohba , et al. January 20, 2 | 2004-01-20 |
| Random number generating circuit App 20030061250 - Fujita, Shinobu ; et al. | 2003-03-27 |
| Semiconductor storage element App 20020140023 - Ohba, Ryuji ; et al. | 2002-10-03 |
| Logic apparatus and logic circuit App 20020096740 - Uchida, Ken ; et al. | 2002-07-25 |
| Semiconductor device and method of manufacturing the same App 20010019137 - Koga, Junji ; et al. | 2001-09-06 |
| Semiconductor device and manufacturing method therefor Grant 5,734,181 - Ohba , et al. March 31, 1 | 1998-03-31 |
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