Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Aya Katayama — 2 Patents

SYSysmex: 2 patents #337 of 868Top 40%
Kakogawa, JP: #278 of 707 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Aya Katayama has been granted 2 US patents while listed as an inventor at Sysmex. The first was granted in 2010 and the most recent in October 2011. Aya Katayama ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Aya Katayama in Kakogawa, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8041514 Method for judging feature of malignant tumor Satoshi Tanaka, Masaki Shibayama, Hideki Ishihara, Tomoko Matsushima, Yuko Kawasaki 2011-10-18
7754442 Reagent kit for determining characteristic of tissue Hideki Ishihara, Satoshi Nakayama, Yuko Kawasaki 2010-07-13