Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryu Gemba — 2 Patents

Hitachi: 2 patents #13,405 of 28,497Top 50%
Yokohama, JP: #26,468 of 49,234 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ryu Gemba has been granted 2 US patents while listed as an inventor at Hitachi. The first was granted in 2006 and the most recent in November 2010. Ryu Gemba ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ryu Gemba in Yokohama, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7836350 Method of managing paths for an externally-connected storage system and method of detecting a fault site Naoki Haramai, Hiroshi Yokouchi, Atsushi Kondo, Kazuhiro Oyama 2010-11-16 $108,000
7143096 Information processing method and system Shinya Takeuchi, Shotaro Ohno, Kenichi Shimooka, Tomohiro Sonomura 2006-11-28 $100,000