Inventor

John T. Rusterholz

Inventor

Roseville, MN, US

Overview

1987–1999

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing85%

F02BInternal-combustion piston engines8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

PatentTitleYear

5,912,820'Method and apparatus for distributing a clock tree within a hierarchical circuit design'1999 5,864,838'System and method for reordering lookup table entries when table address bits are reordered'1999 5,781,903'System and method for reordering lookup table entries when table address bits are inverted'1998 5,696,693'Method for placing logic functions and cells in a logic design using floor planning by analogy'1997 5,634,113'Method for generating a preferred processing order and for detecting cycles in a directed graph used to represent system component connectivity'1997 4,945,479'Tightly coupled scientific processing system'1990 4,873,630'Scientific processor to support a host processor referencing common memory'1989 4,858,115'Loop control mechanism for scientific processor'1989 4,839,845'Method and apparatus for performing a vector reduction'1989 4,706,191'Local store for scientific vector processor'1987 4,691,279'Instruction buffer for a digital data processing system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1999Patents assigned to UNISYS CORP (8)· patent assignee history

1987Patents assigned to SPERRY CORP (1)· patent assignee history

1987–1999Based in Roseville, MN, US· patent location history

1998–1999Patents assigned to CADENCE DESIGN SYSTEMS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNISYS CORP	8	1987–1999
CADENCE DESIGN SYSTEMS INC	2	1998–1999
SPERRY CORP	1	1987

Locations

Location	Patents	Span
Roseville, Minnesota, US	11	1987–1999