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

Hitomi Katagi — 6 Patents

Abbott: 4 patents #1,614 of 5,509Top 30%
ACAloka Co.: 2 patents #17 of 94Top 20%
Hitachi: 1 patents #17,777 of 28,497Top 65%
Mitaka, JP: #103 of 611 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Hitomi Katagi has been granted 6 US patents while listed as an inventor at Abbott. The first was granted in 1995 and the most recent in July 2018. Hitomi Katagi ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Hitomi Katagi in Mitaka, JP.

Patents per Year

Patents granted per year, 1995 to 2018Bar chart with a peak of 3 patents in 1996.peak 31995: 1 patents19951996: 3 patents19962004: 1 patents20042018: 1 patents2018

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10036691 Specimen processor Haruki Shimokawabe 2018-07-31
6829954 Sample pretreatment system 2004-12-14
5540081 Pipetting apparatus with clot detection Masaaki Takeda, Yuko Kato, Junichi Kawanabe 1996-07-30 $13,351,000
5488854 Pipetting apparatus Junichi Kawanabe, Masaaki Takeda, Yuko Kato, Brent A. Pelletier 1996-02-06 $25,762,000
5488874 Liquid aspirating method Junichi Kawanabe, Masaaki Takeda, Yuko Kato, Gregory A. Bielarczyk, Rosie L. Magee 1996-02-06 $25,762,000
5452619 Method for pipetting a blood sample Junichi Kawanabe, Masaaki Takeda, Yuko Kato, Gregory A. Bielarczyk, Rosie L. Magee 1995-09-26 $79,589,000