G06F 2207/7209
Calculation via subfield, i.e. the subfield being gf with q a prime
Official title: Calculation via subfield, i.e. the subfield being GF(q) with q a prime power, e.g. GF ((2**m)**n) via GF(2**m)
G06F2207/7209 (Calculation via subfield, i.e. the subfield being gf with q a prime) appears on 25 US grants and 18 published applications in this corpus.
Search patents in G06F- Granted patents
- 25
- Published applications
- 18
- Assignees
- 23
- Inventors
- 64
- Latest grant
- 14 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Unified AES-SMS4—Camellia symmetric key block cipher acceleration14 Sep 2021US 11,121,856 B2Intel Corporation
- Composite finite field multiplier1 Dec 2015US 9,201,847 B2South China University of Technology
- Finite field calculation apparatus, finite field calculation method and recording medium16 Jul 2013US 8,488,780 B2Nippon Telegraph and Telephone Corporation
- Encryption device using mask value to convert plain text into encrypted text11 Sep 2012US 8,265,273 B2Panasonic Corporation
- System and method for efficient basis conversion27 Mar 2012US 8,145,697 B2Certicom Corp.
- Unified aes-sms4-camellia symmetric key block cipher acceleration19 Dec 2019US 2019/0386815 A1Intel Corporation
- Composite finite field multiplier10 Apr 2014US 2014/0101220 A1South China University of Technology
- Finite field calculation apparatus, finite filed calculation method, program, and recording medium9 Feb 2012US 2012/0033805 A1Nippon Telegraph and Telephone Corporation
- Sequential galois field multiplication architecture and method6 Oct 2011US 2011/0246548 A1
- Galois Field Multiplier2 Dec 2010US 2010/0306293 A1International Business Machines Corporation
Most cited
By later US patents
- Method and apparatus for performing arithmetic in large galois field GF(2.sup.n)59US 5,689,452 AUniversity of New Mexico · 1997
- Sequential Galois multiplication in GF(2.sup.n) with GF(2.sup.m) Galois multiplication gates46US 4,251,875 ASperry Corporation · 1981
- Lean multiplication of multi-precision numbers over GF(2m)45US 7,447,310 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 2008
- Data converter and method thereof41US 6,995,692 B2Matsushita Electric Industrial Co., Ltd. · 2006
- Reed-Solomon error detecting and correcting system employing pipelined processors39US 4,567,594 ABurroughs Corporation · 1986