Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Tsuyoshi Miyamura — 154 Patents

IBM: 153 patents #275 of 70,183Top 1%
LPLenovo (Singapore) Pte.: 1 patents #697 of 1,301Top 55%
Overall (All Time): #5,824 of 4,157,543Top 1%
154 Patents All Time

Issued Patents All Time

Showing 101–125 of 154 patents

Patent #TitleCo-InventorsDate
10417100 File system for rolling back data on tape Takashi Ashida, Hiroshi Itagaki, Setsuko Masuda, Terue Watanabe 2019-09-17
10394470 Method for backing up data on tape 2019-08-27
10394661 Policy driven data updates Norie Iwasaki, Sosuke Matsui, Noriko Yamamoto 2019-08-27
10372674 File management in a storage system Tohru Hasegawa, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-08-06
10346078 Method of writing a file to a plurality of media and a storage system thereof Tohru Hasegawa, Hiroshi Itagaki, Terue Watanabe 2019-07-09
10276204 Behavioral model for dynamic tension compensation Kevin B. Judd, Ernest S. Gale, Randy C. Inch, Eiji Ogura, Kazuhiro Tsuruta +1 more 2019-04-30
10269378 Backward compatibility tape read head Eiji Ogura, Tomoko Taketomi 2019-04-23
10261866 Restoring data Norie Iwasaki, Sosuke Matsui, Terue Watanabe, Noriko Yamamoto 2019-04-16
10248335 Reducing a size of backup data in storage Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-04-02
10248352 Management of object location in hierarchical storage Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-04-02
10242709 Detecting damaged areas on magnetic tape based on measuring a number of servo errors Noriko Yamamoto, Hiroshi Itagaki, Tohru Hasegawa, Sosuke Matsui, Shinsuke Mitsuma 2019-03-26
10242707 Timing index writes to a tape medium Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-03-26
10241703 Multivolume group management Tohru Hasegawa, Hiroshi Itagaki, Hiroki Nishiyama, Terue Watanabe 2019-03-26
10229718 Shortening the average reposition time to the beginning of files in a magnetic tape Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-03-12
10223038 File management in a file system Tohru Hasegawa, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-03-05
10169346 File migration in a hierarchical storage system Tohru Hasegawa, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-01-01
10169165 Restoring data Norie Iwasaki, Sosuke Matsui, Terue Watanabe, Noriko Yamamoto 2019-01-01
10152256 Method for backing up data on tape 2018-12-11
10152993 Save block data to tape in a reverse order Noriko Yamamoto, Tohru Hasegawa, Shinsuke Mitsuma, Sosuke Matsui, Hiroshi Itagaki 2018-12-11
10133487 Provision of information about fragmentation of file on sequential access medium Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2018-11-20
10120612 Apparatus, method, and program product for tape copying Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2018-11-06
10083180 Backup and restoration for storage system Norie Iwasaki, Sosuke Matsui, Terue Watanabe, Noriko Yamamoto 2018-09-25
10073632 Recalling files stored on a tape Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2018-09-11
10073631 Recalling files stored on a tape Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2018-09-11
10067943 Reducing read operations and branches in file system policy checks Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2018-09-04