Inventor · disambiguated record
Akira Shibamiya
Also filed as: SHIBAMIYA AKIRA
16 granted patents·1 pending application·996 citations·filing 1988–2008
95Inventor score
Files withIBM17
Top patents by PatentIndex Score
17 records- 0195US4956774AData base optimizer using most frequency values statisticsIBM·Filed 1988·Granted Sep 11, 1990·226 cites·9 claims
- 0288US6272487B1Query optimization through the use of multi-column statistics to avoid the problems of non-indexed column correlationIBM·Filed 1999·Granted Aug 7, 2001·125 cites·37 claims
- 0388US5692174AQuery parallelism in a shared data DBMS systemIBM·Filed 1995·Granted Nov 25, 1997·165 cites·30 claims
- 0487US5940819AUser specification of query access paths in a relational database management systemIBM·Filed 1997·Granted Aug 17, 1999·98 cites·24 claims
- 0586US5043872AAccess path optimization using degrees of clusteringIBM·Filed 1988·Granted Aug 27, 1991·93 cites·11 claims
- 0685US7146365B2Method, system, and program for optimizing database query executionIBM·Filed 2003·Granted Dec 5, 2006·65 cites·21 claims
- 0779US6535893B1Method for estimating the elapsed time required for a log apply processIBM·Filed 2000·Granted Mar 18, 2003·29 cites·57 claims
- 0879US5995957AQuery optimization through the use of multi-column statistics to avoid the problems of column correlationIBM·Filed 1997·Granted Nov 30, 1999·74 cites·23 claims
- 0971US7792825B2Fast select for fetch first N rows with order byIBM·Filed 2005·Granted Sep 7, 2010·6 cites·20 claims
- 1068US5845274AComputer program product for avoiding complete index tree traversals in sequential and almost sequential index probesIBM·Filed 1995·Granted Dec 1, 1998·32 cites·24 claims
- 1164US7146360B2Method and system for improving response time for database query executionIBM·Filed 2002·Granted Dec 5, 2006·20 cites·12 claims
- 1262US7058952B1Technique for determining an optimal number of tasks in a parallel database loading system with memory constraintsIBM·Filed 2000·Granted Jun 6, 2006·7 cites·24 claims
- 1358US6334134B1Insert performance on a multi-system transaction environmentIBM·Filed 1998·Granted Dec 25, 2001·33 cites·21 claims
- 1458US5748952ASystem and method for avoiding complete index tree traversals in sequential and almost sequential index probesIBM·Filed 1995·Granted May 5, 1998·20 cites·25 claims
- 1550US2008288495A1Fast select for fetch first n rows with order byIBM·Filed 2008·Application pending·0 cites
- 1648US7225209B2Computer-implemented method for allocating new additional area for the dataset in storage based on the size of the new additional area wherein if the new area number does not exceed clipping threshold, the size of a new additional area being greater than the size of each previously allocated additional area of the datasetIBM·Filed 2003·Granted May 29, 2007·3 cites·26 claims
- 1741US6823326B2Method and system for performing asynchronous preformatting in a database systemIBM·Filed 2001·Granted Nov 23, 2004·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Akira Shibamiya files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →