Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Koichi Kushida — 2 Patents

IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #2,184,382 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6957311 Data storage apparatus, computer apparatus, data processing apparatus, and data processing method Atsushi Kanamaru, Takahiro Saito 2005-10-18
6721854 Controller device, disk controller, auxiliary storage, computer device, and method for controlling auxiliary storage Hideo Asano, Atsushi Kanamaru, Kelvin Kao, Akira Kibashi, Takahiro Saito +2 more 2004-04-13