Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tsuguo Yanai — 2 Patents

Casio Computer Co.: 2 patents #935 of 1,970Top 50%
Tokyo, JP: #44,108 of 90,295 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Tsuguo Yanai has been granted 2 US patents while listed as an inventor at Casio Computer Co.. The first was granted in 1989 and the most recent in April 1991. Tsuguo Yanai ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Tsuguo Yanai in Tokyo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5008854 Pocket size data storage apparatus with tablet device for inputting image data Junichi Maeda, Kazuto Yamamoto, Yuji Kuriyama, Haruo Yamamoto 1991-04-16
4806923 Miniaturized electronic apparatus Yukio Inagaki, Shoji Matsuo, Hidetaka Fujisawa 1989-02-21