Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Masayoshi Tadano — 1 Patent

Microsoft: 1 patents #24,968 of 40,388Top 65%
Tama, JP: #259 of 402 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Masayoshi Tadano has been granted 1 US patent while listed as an inventor at Microsoft. All of these patents were granted in 2003. Masayoshi Tadano ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Masayoshi Tadano in Tama, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6542090 Character input apparatus and method, and a recording medium Osamu Adachi, Fujimura Takeshi, Toshiaki Kikka 2003-04-01 $231,477,000