Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Hidehisa Shitomi — 27 Patents

Hitachi: 27 patents #1,104 of 28,497Top 4%
Yokohama, CA: #132 of 287 inventorsTop 50%
Overall (All Time): #146,905 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
7249119 System for managing access and storage of worm files without sending parameters for associated file access Takahiro Nakano, Yoji Nakatani, Mitsuru Ikezawa, Yohsuke Ishii 2007-07-24
7228320 System and method for creating an object-level snapshot in a storage system Manabu Kitamura 2007-06-05