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USPTO Patent Rankings Data through Sept 30, 2025
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Naoki Tomiyama — 32 Patents

EXExedy: 30 patents #4 of 223Top 2%
DSDaikin Seisakusho: 2 patents #47 of 126Top 40%
Overall (All Time): #112,437 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
6866129 Lockup device for fluid-type torque transmission device 2005-03-15
6837347 Lockup device for fluid-type torque transmission device 2005-01-04
6571929 Torque converter with lockup device Shinji Fujimoto 2003-06-03
5911428 Bicycle suspension fork Atsushi Ueda, Minoru Abe 1999-06-15
5873590 Bicycle Minoru Abe, Atsushi Ueda, Yasuhiko Eguchi, Koji Hiramoto 1999-02-23
5568852 Clutch cover assembly having clutch disk wear compensation means 1996-10-29
5505288 Damper disc assembly Hiroshi Uehara 1996-04-09