Kiyokuni Kawachiya 
contact information
Senior Technical Staff Member, Ph.D.IBM Research - Tokyo
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Professional Associations: ACM | IPSJ | Japan Society for Software Science and Technologymore information
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Profile-based per-device code optimization
Kiyokuni Kawachiya, Kazuaki Ishizaki, Moriyoshi Ohara, Mikio Takeuchi
US Patent 9,612,810
Abstract
Kiyokuni Kawachiya, Kazuaki Ishizaki, Moriyoshi Ohara, Mikio Takeuchi
US Patent 9,612,810
Abstract
Reducing cost of deserialization by skipping unused array regions
Horie Michihiro, Kawachiya Kiyokuni, Takeuchi Mikio
serialization, real time computing, copying, computer science, computer hardware, code
Abstract
Horie Michihiro, Kawachiya Kiyokuni, Takeuchi Mikio
serialization, real time computing, copying, computer science, computer hardware, code
Abstract
REMOTE DIRECT MEMORY ACCESS-BASED ON STATIC ANALYSIS OF ASYNCHRONOUS BLOCKS
Michihiro Horie, Hiroshi H. Horii, Kiyokuni Kawachiya, Mikio Takeuchi
static analysis, remote direct memory access, parallel computing, distributed computing, computer science, compiler, asynchronous communication
Abstract
Michihiro Horie, Hiroshi H. Horii, Kiyokuni Kawachiya, Mikio Takeuchi
static analysis, remote direct memory access, parallel computing, distributed computing, computer science, compiler, asynchronous communication
Abstract
2016
Remote direct memory access-based method of transferring arrays of objects including garbage data
Horie, Michihiro and Kawachiya, Kiyokuni and Takeuchi, Mikio
US Patent App. 15/045,869
Abstract
Horie, Michihiro and Kawachiya, Kiyokuni and Takeuchi, Mikio
US Patent App. 15/045,869
Abstract
Obtaining correct compile results by absorbing mismatches between data types representations
Horie, Michihiro and Horii, Hiroshi H and Kawachiya, Kiyokuni and Takeuchi, Mikio
US Patent 9,459,848
Abstract
Horie, Michihiro and Horii, Hiroshi H and Kawachiya, Kiyokuni and Takeuchi, Mikio
US Patent 9,459,848
Abstract
2015
Fault Tolerant Distributed Computation
Kawachiya, Kiyokuni and Saraswat, Vijay A
US Patent App. 14/627,312
Abstract
Kawachiya, Kiyokuni and Saraswat, Vijay A
US Patent App. 14/627,312
Abstract
2014
Method, program, and system for reducing the cost of stack scanning
Kawachiya, Kiyokuni and Onodera, Tamiya
US Patent App. 14/567,526
Abstract
Kawachiya, Kiyokuni and Onodera, Tamiya
US Patent App. 14/567,526
Abstract
2013
Method of ascertaining primary cause of memory consumption in program, and computer system and computer program for the same
Kiyokuni Kawachiya, Kazunori Ogata, Michiaki Tatsubori
US Patent 8,566,802
Kiyokuni Kawachiya, Kazunori Ogata, Michiaki Tatsubori
US Patent 8,566,802
Dynamic compiler program, dynamic compiling method and dynamic compiling device
Kiyokuni Kawachiya, Kazunori Ogata
US Patent 8,612,948
Kiyokuni Kawachiya, Kazunori Ogata
US Patent 8,612,948
Method and program for recording object allocation site
Kiyokuni Kawachiya, Rei Odaira, Tamiya Onodera
US Patent 8,495,647
Kiyokuni Kawachiya, Rei Odaira, Tamiya Onodera
US Patent 8,495,647
Data structure, computer system, method and computer program for searching database
Miki Enoki, Kiyokuni Kawachiya
US Patent 8,495,041
Miki Enoki, Kiyokuni Kawachiya
US Patent 8,495,041
Method, program and system for generating hash codes to identify objects
Kiyokuni Kawachiya, Tamiya Nodera, Mikio Takeuchi, Salikh S Zakirov
US Patent App. 13/752,435
Kiyokuni Kawachiya, Tamiya Nodera, Mikio Takeuchi, Salikh S Zakirov
US Patent App. 13/752,435
Method and System for Speeding Up Mutual Exclusion
T. Ogasawara, A. Koseki, H. Komatsu, K. Kawachiya, T. Onodera
US Patent App. 12/173,551
T. Ogasawara, A. Koseki, H. Komatsu, K. Kawachiya, T. Onodera
US Patent App. 12/173,551
Image drawing system, image drawing server, image drawing method, and computer program
Hiroshi Horri, Kiyokuni Kawachiya, Akira Koseki, Toshihiro Takahashi
US Patent 8,411,091
Hiroshi Horri, Kiyokuni Kawachiya, Akira Koseki, Toshihiro Takahashi
US Patent 8,411,091
2012
Computer operation control method, program and system
Hiroshi Horii, Kiyokuni Kawachiya, Tamiya Onodera
US Patent App. 13/347,905
Hiroshi Horii, Kiyokuni Kawachiya, Tamiya Onodera
US Patent App. 13/347,905
Preventing delay in execution time of instruction executed by exclusively using external resource
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent 8,201,178
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent 8,201,178
Method to reduce wasted character data areas of java strings
Kiyokuni Kawachiya, Kazunori Ogata, Tamiya Onodera
US Patent 8,275,812
Kiyokuni Kawachiya, Kazunori Ogata, Tamiya Onodera
US Patent 8,275,812
Determining whether object is genuine or fake in metaverse
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent App. 13/533,359
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent App. 13/533,359
Computer operation control method, program, and system
Hiroshi Horii, Kiyokuni Kawachiya, Tamiya Onodera
US Patent App. 13/594,005
Hiroshi Horii, Kiyokuni Kawachiya, Tamiya Onodera
US Patent App. 13/594,005
System, method, and computer program for determining whether object is genuine or fake in metaverse
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent 8,230,045
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent 8,230,045
Method, program, and system for specification verification
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent App. 13/658,884
Kiyokuni Kawachiya, Michiaki Tatsubori
US Patent App. 13/658,884
Network computing over multiple resource centers
Kirk A Beaty, Yasuharu Katsuno, Kiyokuni Kawachiya, Takayuki Kushida, Vijay K Naik, Yih-shin Tan
US Patent App. 13/532,842
Kirk A Beaty, Yasuharu Katsuno, Kiyokuni Kawachiya, Takayuki Kushida, Vijay K Naik, Yih-shin Tan
US Patent App. 13/532,842
System for storing and managing objects
Kiyokuni Kawachiya, Kazunori Ogata, Tamiya Onodera
US Patent 8,176,100
Kiyokuni Kawachiya, Kazunori Ogata, Tamiya Onodera
US Patent 8,176,100
2011
method and system for code generation and inlining
Derek B Inglis, Kiyokuni Kawachiya, Tamiya Onodera, Michiaki Tatsubori
US Patent App. 13/221,171
Derek B Inglis, Kiyokuni Kawachiya, Tamiya Onodera, Michiaki Tatsubori
US Patent App. 13/221,171
Method, program, and system for processing object in computer
Hiroshi Horii, Kiyokuni Kawachiya
US Patent App. 13/287,242
Hiroshi Horii, Kiyokuni Kawachiya
US Patent App. 13/287,242
Profiler for executing computer program
Derek B Inglis, Kiyokuni Kawachiya, Tamiya Onodera, Michiaki Tatsubori
US Patent App. 13/273,644
Derek B Inglis, Kiyokuni Kawachiya, Tamiya Onodera, Michiaki Tatsubori
US Patent App. 13/273,644
2010
Method for Optimizing Processing of Character String During Execution of a Program, Computer System and Computer Program for the Same
Kazuaki Ishizaki, Kiyokuni Kawachiya, Kazunori Ogata
US Patent App. 12/787,500
Kazuaki Ishizaki, Kiyokuni Kawachiya, Kazunori Ogata
US Patent App. 12/787,500
Compiler program, compilation method, and computer system
Kiyokuni Kawachiya, Tamiya Onodera, Michiaki Tatsubori, Akihiko Tozawa
US Patent App. 12/881,667
Kiyokuni Kawachiya, Tamiya Onodera, Michiaki Tatsubori, Akihiko Tozawa
US Patent App. 12/881,667
2009
Information processing and control
Kiyokuni Kawachiya, Hideaki Komatsu, Takeshi Ogasawara
US Patent 7,519,966
Kiyokuni Kawachiya, Hideaki Komatsu, Takeshi Ogasawara
US Patent 7,519,966
Method for enhancing efficiency in mutual exclusion
Graeme Johnson, Kiyokuni Kawachiya, Akira Koseki, Tamiya Onodera
US Patent 7,543,295
Graeme Johnson, Kiyokuni Kawachiya, Akira Koseki, Tamiya Onodera
US Patent 7,543,295
2008
Efficient class memory management
Trent A Gray-Donald, Kiyokuni Kawachiya, Kazunori Ogata, Tamiya Onodera
US Patent 7,337,298
Trent A Gray-Donald, Kiyokuni Kawachiya, Kazunori Ogata, Tamiya Onodera
US Patent 7,337,298
2007
Program conversion method, data processing apparatus and program
Kiyokuni Kawachiya, Akira Koseki
US Patent 7,219,334
Kiyokuni Kawachiya, Akira Koseki
US Patent 7,219,334
2005
Method and system for efficiently starting a JAVA application
Kiyokuni Kawachiya, Hideaki Komatsu, Kazunori Ogata, Tamiya Onodera
US Patent App. 11/054,899
Kiyokuni Kawachiya, Hideaki Komatsu, Kazunori Ogata, Tamiya Onodera
US Patent App. 11/054,899
Computer system, memory management method, storage medium and program transmission apparatus
Kiyokuni Kawachiya, Tamiya Onodera
US Patent 6,971,102
Kiyokuni Kawachiya, Tamiya Onodera
US Patent 6,971,102
Method and apparatus for managing locks of objects and method and apparatus for unlocking objects
Tamiya Onodera, Kiyokuni Kawachiya
US Patent 6,883,026
Tamiya Onodera, Kiyokuni Kawachiya
US Patent 6,883,026
2003
2001
Manipulative pointing device, and portable information processing apparatus
Kiyokuni Kawachiya, Hiroshi Ishikawa
US Patent 6,208,328
Kiyokuni Kawachiya, Hiroshi Ishikawa
US Patent 6,208,328
1998
Pointing device for information processing apparatus
Hiroshi Ishikawa, Kiyokuni Kawachiya
simulation, pointing device, longitudinal axis, information processing, force vector, engineering, detector, control theory
Abstract
Hiroshi Ishikawa, Kiyokuni Kawachiya
simulation, pointing device, longitudinal axis, information processing, force vector, engineering, detector, control theory
Abstract
1996
Message passing apparatus for determining if counted acknowledgements from a set of processors are within a defined range
Kiyokuni Kawachiya, Nobuyuki Ooba
US Patent 5,528,761
Kiyokuni Kawachiya, Nobuyuki Ooba
US Patent 5,528,761
1992
Message-passing multiprocessor system
Nobuyuki Ooba, Kiyokuni Kawachiya
rule based system, parallel computing, multiprocessing, message passing multiprocessor, message passing, identifier, computer science, comparator
Abstract
Nobuyuki Ooba, Kiyokuni Kawachiya
rule based system, parallel computing, multiprocessing, message passing multiprocessor, message passing, identifier, computer science, comparator
Abstract