Inventor · disambiguated record
Douglas R. Chisholm
Also filed as: CHISHOLM DOUGLAS · CHISHOLM DOUGLAS R · CHISHOLM DOUGLAS RODERICK
16 granted patents·846 citations·filing 1978–2017
95Inventor score
Top patents by PatentIndex Score
16 records- 0190US5014186AData-processing system having a packet transfer type input/output systemIBM·Filed 1988·Granted May 7, 1991·113 cites·8 claims
- 0289US4246637AData processor input/output controllerIBM·Filed 1978·Granted Jan 20, 1981·88 cites·13 claims
- 0384US5003465AMethod and apparatus for increasing system throughput via an input/output bus and enhancing address capability of a computer system during DMA read/write operations between a common memory and an input/output deviceIBM·Filed 1988·Granted Mar 26, 1991·90 cites·27 claims
- 0482US5276814AMethod for transferring information between main store and input output bus units via a sequence of asynchronous bus and two synchronous busesIBM·Filed 1989·Granted Jan 4, 1994·63 cites·13 claims
- 0580US5968143AInformation handling system for transfer of command blocks to a local processing side without local processor interventionIBM·Filed 1995·Granted Oct 19, 1999·105 cites·12 claims
- 0680US4373181ADynamic device address assignment mechanism for a data processing systemCHISHOLM DOUGLAS R·Filed 1980·Granted Feb 8, 1983·65 cites·6 claims
- 0778US6115764AAcyclic cable bus having redundant path accessIBM·Filed 1994·Granted Sep 5, 2000·73 cites·5 claims
- 0877US5940866AInformation handling system having a local address queue for local storage of command blocks transferred from a host processing sideIBM·Filed 1995·Granted Aug 17, 1999·87 cites·12 claims
- 0962US5199106AInput output interface controller connecting a synchronous bus to an asynchronous bus and methods for performing operations on the busIBM·Filed 1990·Granted Mar 30, 1993·42 cites·11 claims
- 1060US5131082ACommand delivery for a computing system for transfers between a host and subsystem including providing direct commands or indirect commands indicating the address of the subsystem control blockIBM·Filed 1989·Granted Jul 14, 1992·29 cites·29 claims
- 1150US5802546AStatus handling for transfer of data blocks between a local side and a host sideIBM·Filed 1995·Granted Sep 1, 1998·29 cites·14 claims
- 1248US5509124ACoupled synchronous-asychronous bus structure for transferring data between a plurality of peripheral input/output controllers and a main data storeIBM·Filed 1995·Granted Apr 16, 1996·18 cites·5 claims
- 1348US5455916AMethod for performing inter-unit data transfer operations among a plurality of input/output bus interface units coupled to a common asynchronous busIBM·Filed 1995·Granted Oct 3, 1995·19 cites·10 claims
- 1447US5794069AInformation handling system using default status conditions for transfer of data blocksIBM·Filed 1995·Granted Aug 11, 1998·21 cites·13 claims
- 1538US10277068B2Architecture to scale finite-state machines across integrated circuits using a digital busANALOG DEVICES GLOBAL·Filed 2017·Granted Apr 30, 2019·0 cites·20 claims
- 1631US5119480ABus master interface circuit with transparent preemption of a data transfer operationIBM·Filed 1989·Granted Jun 2, 1992·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →