Yamaguchi; Atsuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamaguchi; Atsuo.The latest application filed is for "encoding/decoding circuit".
Company Profile
0.35.14
- Yamaguchi; Atsuo - Tokyo JP
- Yamaguchi; Atsuo - Hyogo N/A JP
- Yamaguchi; Atsuo - Kanagawa N/A JP
- Yamaguchi; Atsuo - Itami JP
- Yamaguchi; Atsuo - Itami City JP
Patent Activity
| Patent | Date |
|---|---|
| Data processing apparatus Grant 9,092,619 - Tsuruta , et al. July 28, 2 | 2015-07-28 |
| Random number generator with ring oscillation circuit Grant 9,052,975 - Fukushima , et al. June 9, 2 | 2015-06-09 |
| Semiconductor device Grant 8,848,459 - Fukushima , et al. September 30, 2 | 2014-09-30 |
| Encoding/decoding circuit Grant 8,619,991 - Miyauchi , et al. December 31, 2 | 2013-12-31 |
| Encoding/decoding circuit Grant 8,559,634 - Miyauchi , et al. October 15, 2 | 2013-10-15 |
| Encoding/decoding Circuit App 20120314858 - Miyauchi; Shigenori ; et al. | 2012-12-13 |
| Random Number Generator With Ring Oscillation Circuit App 20120303690 - FUKUSHIMA; Kazuhiko ; et al. | 2012-11-29 |
| Semiconductor Device App 20120250432 - FUKUSHIMA; Kazuhiko ; et al. | 2012-10-04 |
| Random number generator with ring oscillation circuit Grant 8,260,835 - Fukushima , et al. September 4, 2 | 2012-09-04 |
| Data Processing Apparatus App 20120079286 - TSURUTA; Hirokazu ; et al. | 2012-03-29 |
| Data processing apparatus Grant 8,140,858 - Tsuruta , et al. March 20, 2 | 2012-03-20 |
| Encoding/decoding Circuit App 20110255694 - Miyauchi; Shigenori ; et al. | 2011-10-20 |
| Data Processing Apparatus App 20090259856 - Tsuruta; Hirokazu ; et al. | 2009-10-15 |
| Encryption circuit achieving higher operation speed Grant 7,471,789 - Miyauchi , et al. December 30, 2 | 2008-12-30 |
| Random Number Generator With Ring Oscillation Circuit App 20080313249 - Fukushima; Kazuhiko ; et al. | 2008-12-18 |
| Random number generator with ring oscillation circuit Grant 7,424,500 - Fukushima , et al. September 9, 2 | 2008-09-09 |
| Residue calculating unit immune to power analysis Grant 7,171,437 - Yamaguchi January 30, 2 | 2007-01-30 |
| Encoding/decoding circuit App 20070014396 - Miyauchi; Shigenori ; et al. | 2007-01-18 |
| Microcomputer having security function App 20050052280 - Fukushima, Kazuhiko ; et al. | 2005-03-10 |
| Non-volatile memory control device capable of recovering data even when data writing is interrupted App 20050055531 - Asami, Kazuo ; et al. | 2005-03-10 |
| Random number generator with ring oscillation circuit App 20040264233 - Fukushima, Kazuhiko ; et al. | 2004-12-30 |
| Non-contact IC card system and non-contact IC card Grant 6,747,548 - Yamaguchi June 8, 2 | 2004-06-08 |
| Encryption circuit achieving higher operation speed App 20040081317 - Miyauchi, Shigenori ; et al. | 2004-04-29 |
| Residue calculating unit immune to power analysis App 20040064274 - Yamaguchi, Atsuo | 2004-04-01 |
| Data encryption circuit pre-holding next data to be operated in buffer App 20020181704 - Yamaguchi, Atsuo | 2002-12-05 |
| Charge pump circuit Grant 6,107,864 - Fukushima , et al. August 22, 2 | 2000-08-22 |
| PLL circuit Grant 5,942,926 - Yamaguchi August 24, 1 | 1999-08-24 |
| Non-contact IC card with phase variation detector Grant 5,874,725 - Yamaguchi February 23, 1 | 1999-02-23 |
| Non-contact IC card including phase-locked loop circuitry Grant 5,831,257 - Yamaguchi November 3, 1 | 1998-11-03 |
| Non-contact IC card with antenna switching circuit Grant 5,801,372 - Yamaguchi September 1, 1 | 1998-09-01 |
| Non-contact IC card including antenna circuit with adjustable resonant frequency Grant 5,698,838 - Yamaguchi December 16, 1 | 1997-12-16 |
| Semiconductor integrated circuit Grant 5,594,692 - Yamaguchi January 14, 1 | 1997-01-14 |
| Semiconductor integrated circuit Grant 5,535,160 - Yamaguchi July 9, 1 | 1996-07-09 |
| Non-contact IC card having an active attenuation circuit Grant 5,396,056 - Yamaguchi March 7, 1 | 1995-03-07 |
| IC card with clock signal input control Grant 5,365,047 - Yamaguchi November 15, 1 | 1994-11-15 |
| Non-contact IC card which actively attenuates its resonance circuit as it receives data Grant 5,308,968 - Yamaguchi May 3, 1 | 1994-05-03 |
| Microcomputer circuit for attenuating oscillations in a resonant circuit by reversing phase and feeding back resonant circuit output oscillation voltage Grant 5,226,167 - Yamaguchi July 6, 1 | 1993-07-06 |
| Non-contact IC card Grant 5,068,521 - Yamaguchi November 26, 1 | 1991-11-26 |
| Memory device Grant 5,056,089 - Furuta , et al. October 8, 1 | 1991-10-08 |
| Microcomputer Grant 5,047,924 - Fujioka , et al. September 10, 1 | 1991-09-10 |
| Microprocessor having miswriting preventing function Grant 5,036,460 - Takahira , et al. July 30, 1 | 1991-07-30 |
| IC card Grant 5,019,970 - Yamaguchi , et al. May 28, 1 | 1991-05-28 |
| IC card having system ROM selection inhibit Grant 5,016,212 - Yamaguchi , et al. May 14, 1 | 1991-05-14 |
| Memory with function test of error detection/correction device Grant 4,924,465 - Matsubara , et al. May 8, 1 | 1990-05-08 |
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