Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SK

Setsuko Kojima — 2 Patents

Hitachi: 2 patents #13,405 of 28,497Top 50%
Kawasaki, JP: #8,037 of 15,035 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Setsuko Kojima has been granted 2 US patents while listed as an inventor at Hitachi. The first was granted in 2001 and the most recent in June 2003. Setsuko Kojima ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Setsuko Kojima in Kawasaki, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6584538 Information processing system Nobukazu Kondo, Tomohisa Kohiyama, Shigeto Oeda 2003-06-24 $113,000
6330629 Information processing system Nobukazu Kondo, Tomohisa Kohiyama, Shigeto Oeda 2001-12-11 $132,000