PM

Peter Markstein

IBM: 11 patents #9,995 of 70,183Top 15%
HP HP: 7 patents #4,446 of 16,619Top 30%
Overall (All Time): #186,451 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7155471 Method and system for determining the correct rounding of a function Dale Morris, James M. Hull 2006-12-26
7065757 Efficient compilation of family of related functions James W. Thomas, Kevin Crozier 2006-06-20
7065758 Optimize code for a family of related functions James W. Thomas, Kevin Crozier 2006-06-20
6578059 Methods and apparatus for controlling exponent range in floating-point calculations Jerome C. Huck, Glenn T. Colon-Bonet, Alan H. Karp, Roger Golliver, Michael J. Morrison +1 more 2003-06-10
6370639 Processor architecture having two or more floating-point status fields Jerome C. Huck, Glenn T. Colon-Bonet, Alan H. Karp, Roger Golliver, Michael J. Morrison +2 more 2002-04-09
6301705 System and method for deferring exceptions generated during speculative execution Gautam Doshi, Alan H. Karp, Jerome C. Huck, Glenn T. Colon-Bonet, Michael J. Morrison 2001-10-09
6212539 Methods and apparatus for handling and storing bi-endian words in a floating-point processor Jerome C. Huck, Glenn T. Colon-Bonet, Alan H. Karp, Roger Golliver, Michael J. Morrison +1 more 2001-04-03
6151669 Methods and apparatus for efficient control of floating-point status register Jerome C. Huck, Glenn T. Colon-Bonet, Alan H. Karp, Roger Golliver, Michael J. Morrison +2 more 2000-11-21
5671170 Method and apparatus for correctly rounding results of division and square root computations Alan H. Karp 1997-09-23
5631859 Floating point arithmetic unit having logic for quad precision arithmetic Clemens Roothaan, Dennis W. Brzezinski 1997-05-20
5515308 Floating point arithmetic unit using modified Newton-Raphson technique for division and square root Alan H. Karp, Dennis W. Brzezinski 1996-05-07
5341321 Floating point arithmetic unit using modified Newton-Raphson technique for division and square root Alan H. Karp, Dennis W. Brzezinski 1994-08-23
5287510 Method for improving the efficiency of arithmetic code generation in an optimizing compiler using machine independent update instruction generation Charles B. Hall, J. Kevin O'Brien 1994-02-15
5249149 Method and apparatus for performining floating point division Daniel Cocanougher 1993-09-28
5193190 Partitioning optimizations in an optimizing compiler Joyce M. Janczyn 1993-03-09
4802091 Method for improving the efficiency of arithmetic code generation in an optimizing compiler using the technique of reassociation John Cocke 1989-01-31
4656582 Generating storage reference instructions in an optimizing compiler Gregory J. Chaitin, Martin E. Hopkins, Henry S. Warren, Jr. 1987-04-07
4656583 Method for improving global common subexpression elimination and code motion in an optimizing compiler Marc A. Auslander, John Cocke 1987-04-07
4642764 Method of developing formal identities and program bases in an optimizing compiler Marc A. Auslander, Martin E. Hopkins 1987-02-10
4642765 Optimization of range checking John Cocke, Victoria I. Markstein 1987-02-10
4589087 Condition register architecture for a primitive instruction set machine Marc A. Auslander, John Cocke, Hsieh T. Hao, George Radin 1986-05-13
4589065 Mechanism for implementing one machine cycle executable trap instructions in a primitive instruction set computing system Marc A. Auslander, John Cocke, Hsieh T. Hao, George Radin 1986-05-13
4569016 Mechanism for implementing one machine cycle executable mask and rotate instructions in a primitive instruction set computing system Hsieh T. Hao, George Radin 1986-02-04