Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Rie Kubota — 3 Patents

IBM: 3 patents #26,272 of 70,183Top 40%
Overall (All Time): #1,627,211 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6154153 Method for compressing and decompressing integer-vector data 2000-11-28
6041323 Information search method, information search device, and storage medium for storing an information search program 2000-03-21
5992737 Information search method and apparatus, and medium for storing information searching program 1999-11-30