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

Kazuyoshi Sagara — 3 Patents

EGExpression Genetics: 1 patents #4 of 13Top 35%
MPMitsubishi Tanabe Pharma: 1 patents #254 of 503Top 55%
YIYoshitomi Pharmaceutical Industries: 1 patents #145 of 310Top 50%
Chikujo, JP: #2 of 18 inventorsTop 15%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Kazuyoshi Sagara has been granted 3 US patents while listed as an inventor at Expression Genetics. The first was granted in 1998 and the most recent in November 2014. Kazuyoshi Sagara ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Kazuyoshi Sagara in Chikujo, JP.

Patents per Year

Patents granted per year, 1998 to 2014Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19982003: 1 patents20032014: 1 patents2014

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8883777 Compositions controlling pH range of release and/or release rate Tomoyuki Omura, Hirofumi Samemoto, Hirotsugu Komatsu 2014-11-11
6586524 Cellular targeting poly(ethylene glycol)-grafted polymeric gene carrier 2003-07-01
5776488 Liposome preparation Yoshiyuki Mori, Hiroaki Mizuta, Akihiro Fujii 1998-07-07