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

Itiro Siio — 4 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
Sony: 1 patents #17,321 of 25,231Top 70%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Itiro Siio has been granted 4 US patents while listed as an inventor at IBM. The first was granted in 1993 and the most recent in April 2025. Itiro Siio ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Itiro Siio in Tokyo, JP.

Patents per Year

Patents granted per year, 1993 to 2025Bar chart with a peak of 1 patents in 1993.peak 11993: 1 patents19931999: 1 patents19992001: 1 patents20012025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12285548 Information processing apparatus and information processing method Fumihiko Iida, Yousuke Kawana, Yu Aoki, Kentaro Ida, Satoshi Nakamaru +1 more 2025-04-29
6297795 Small information processing apparatus Naotaka Kato, Hiroki Murata, Toru Aihara 2001-10-02 $27,385,000
5943042 Control method and system for objects on a computer 1999-08-24 $33,463,000
5239287 Table editor Shigeki Ishikawa 1993-08-24 $7,496,000