KM

Keiichi Matsuzawa

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
HV Hitachi Vantara: 1 patents #77 of 254Top 35%
📍 Tokyo, MA: #24 of 94 inventorsTop 30%
Overall (All Time): #115,140 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12223267 Question answering system, question answering program, and question answering method Mitsuo Hayasaka 2025-02-11
12067372 Method and system for restricting transmission of sensitive information contained in a document Mitsuo Hayasaka 2024-08-20
10977124 Distributed storage system, data storage method, and software program Mitsuo Hayasaka 2021-04-13
10936243 Storage system and data transfer control method Akiyoshi Tsuchiya, Mitsuo Hayasaka, Akira Yamamoto 2021-03-02
10798149 File storage, object storage, and storage system Masayuki Kobayashi, Hitoshi Arai 2020-10-06
10649691 Storage system Mitsuo Hayasaka, Ken Nomura, Hitoshi Kamei 2020-05-12
10606499 Computer system, storage apparatus, and method of managing data Mitsuo Hayasaka 2020-03-31
10235282 Computer system, computer, and method to manage allocation of virtual and physical memory areas Hitoshi Kamei 2019-03-19
10210035 Computer system and memory dump method Noboru Morishita, Toshiomi Moriki 2019-02-19
9766824 Storage device and computer system Hitoshi Kamei 2017-09-19
9460106 Data synchronization among file storages using stub files 2016-10-04
9229860 Storage system Hitoshi Kamei, Mitsuo Hayasaka 2016-01-05
9146694 Distribution processing unit of shared storage Akira Yamamoto 2015-09-29
9116913 File storage system and file cloning method Takayuki Fukatani, Hitoshi Kamei, Masaaki Iwasaki 2015-08-25
9104317 Computer system and method of controlling I/O with respect to storage apparatus Akira Hayakawa, Takaki Nakamura, Takayuki Fukatani 2015-08-11
8856073 Data synchronization among file storages using stub files 2014-10-07
8812677 Data processing method and apparatus for remote storage system 2014-08-19
8716718 Epitaxial SiC single crystal substrate and method of manufacture of epitaxial SiC single crystal substrate Kenji Momose, Michiya Odawara, Hajime Okumura, Kazutoshi Kojima, Yuuki Ishida +2 more 2014-05-06
8683174 I/O conversion method and apparatus for storage system Yasunori Kaneda 2014-03-25
8572417 Storage system and power consumption reduction method for the same Takahiro Nakano 2013-10-29
8504764 Method and apparatus to manage object-based tiers Shinichi Hayashi, Toshio Otani 2013-08-06
8489709 Method of managing a file access in a distributed file storage system 2013-07-16
8423727 I/O conversion method and apparatus for storage system Yasunori Kaneda 2013-04-16
8359439 Backup apparatus, backup method, and file reading apparatus Takahiro Nakano, Naohiro Fujii 2013-01-22
8293623 Epitaxial SiC single crystal substrate and method of manufacture of epitaxial SiC single crystal substrate Kenji Momose, Michiya Odawara, Hajime Okumura, Kazutoshi Kojima, Yuuki Ishida +2 more 2012-10-23