Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RI

Ryusuke Ito — 28 Patents

Hitachi: 23 patents #1,433 of 28,497Top 6%
Canon: 3 patents #11,284 of 19,416Top 60%
IBM: 2 patents #32,909 of 70,183Top 50%
Odawara, JP: #135 of 1,597 inventorsTop 9%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Ryusuke Ito has been granted 28 US patents while listed as an inventor at Hitachi. The first was granted in 2004 and the most recent in May 2024. Ryusuke Ito ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Ryusuke Ito in Odawara, JP.

Patents per Year

Patents granted per year, 2004 to 2024Bar chart with a peak of 4 patents in 2008.peak 42004: 1 patents20042005: 1 patents2006: 3 patents20062007: 1 patents2008: 4 patents20082009: 2 patents2010: 2 patents20102011: 3 patents2012: 4 patents20122014: 1 patents2015: 1 patents20152021: 1 patents2022: 1 patents20222023: 2 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11977765 Storage system and data processing method Naoyuki Masuda, Kenichi Oyamada, Yuri Hiraiwa, Goro Kazama, Yunde Sun +1 more 2024-05-07
11579793 Storage system and data processing method Naoyuki Masuda, Kenichi Oyamada, Yuri Hiraiwa, Goro Kazama, Yunde Sun +1 more 2023-02-14
11553097 Image forming apparatus having image position adjustment Shinnosuke Iwadate 2023-01-10 $36,000
11520538 Image forming apparatus Shinnosuke Iwadate 2022-12-06 $19,000
11102358 Image forming apparatus determining failure when reactivated before preparing a printing operation Hidenori Matsumoto 2021-08-24 $38,000
9058305 Remote copy method and remote copy system Yusuke Hirakawa, Yoshihiro Asaka, Takashi Kaga, Hiroshi Arakawa, Takahiko Takeda +1 more 2015-06-16
8700587 Security method and system for storage subsystem Yoshinori Okami 2014-04-15
8234471 Remote copy method and remote copy system Yusuke Hirakawa, Yoshihiro Asaka, Takashi Kaga, Hiroshi Arakawa, Takahiko Takeda +1 more 2012-07-31
8135908 Storage system, data transfer method, and program Masanao Tsuboki, Mitsuru Kashiwagi 2012-03-13 $186,000
8108337 Managing consistency groups using heterogeneous replication engines Kenneth Wayne Boyd, Kenneth Fairclough Day, III, Gerardo De Jesus Frias Garcia, John E. Lindley, Gregory E. McBride +4 more 2012-01-31 $4,013,000
8099387 Managing consistency groups using heterogeneous replication engines Kenneth Wayne Boyd, Kenneth Fairclough Day, III, Gerardo De Jesus Frias Garcia, John E. Lindley, Gregory E. McBride +4 more 2012-01-17 $12,258,000
8028139 Remote copy method and remote copy system Yusuke Hirakawa, Yoshihiro Asaka, Takeshi Kaga 2011-09-27 $178,000
7908459 Security for logical unit in storage subsystem Yoshinori Okami, Katsuhiro Uchiumi, Yoshinori Igarashi, Koichi Hori 2011-03-15 $130,000
7890717 Storage system, data transfer method, and program Masanao Tsuboki, Mitsuru Kashiwagi 2011-02-15 $114,000
7853765 Storage system and data management method Takeshi Horiuchi 2010-12-14 $94,000
7657727 Security for logical unit in storage subsystem Yoshinori Okami, Katsuhiro Uchiumi, Yoshinori Igarashi, Koichi Hori 2010-02-02 $82,000
7640411 Remote copy method and remote copy system Yusuke Hirakawa, Yoshihiro Asaka, Takeshi Kaga 2009-12-29 $79,000
7606806 Security method and system for storage subsystem Yoshinori Okami 2009-10-20 $78,000
7472239 Storage system and data management method Takeshi Horiuchi 2008-12-30 $97,000
7469289 Storage system having virtualized resource Hiroshi Arakawa, Takashi Oeda, Naoto Matsunami 2008-12-23 $155,000
7424583 Storage system, data transfer method according to volume priority Masanao Tsuboki, Mitsuru Kashiwagi 2008-09-09 $219,000
7356640 Storage apparatus and storage system Kazuhito Suishu, Keiichi Kaiya 2008-04-08 $183,000
7222172 Storage system having virtualized resource Hiroshi Arakawa, Takashi Oeda, Naoto Matsunami 2007-05-22 $254,000
7130976 Remote copy method and remote copy system to eliminate use of excess volume for copying data Yusuke Hirakawa, Yoshihiro Asaka, Takeshi Kaga 2006-10-31 $93,000
7024410 Security method and system for storage subsystem Yoshinori Okami 2006-04-04 $107,000