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

Roger Fu — 18 Patents

DUDurect: 15 patents #5 of 96Top 6%
S(Syntex (U.S.A.): 2 patents #260 of 599Top 45%
IPIntrabiotics Pharmaceuticals: 1 patents #7 of 13Top 55%
Saratoga, CA: #533 of 2,933 inventorsTop 20%
California: #33,102 of 386,348 inventorsTop 9%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Roger Fu has been granted 18 US patents while listed as an inventor at Durect. The first was granted in 1996 and the most recent in May 2019. Roger Fu ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Roger Fu in Saratoga, CA, US.

Patents per Year

Patents granted per year, 1996 to 2019Bar chart with a peak of 4 patents in 2017.peak 41996: 2 patents19962000: 1 patents20002013: 1 patents20132015: 3 patents20152016: 2 patents20162017: 4 patents20172018: 3 patents20182019: 2 patents2019

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10300142 Compositions with a rheological modifier to reduce dissolution variability Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot, Karl Bratin +1 more 2019-05-28 $1,840,000
10206883 Oral pharamaceutical dosage forms Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot 2019-02-19 $1,985,000
9918982 Oral drug delivery system Su Il Yum, Grant Schoenhard, Arthur J. Tipton, John W. Gibson, John C. Middleton +1 more 2018-03-20 $7,113,000
9907851 Compositions with a rheological modifier to reduce dissolution variability Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot, Karl Bratin +1 more 2018-03-06 $5,344,000
9855333 Compositions with a rheological modifier to reduce dissolution variability Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot, Karl Bratin +1 more 2018-01-02 $2,772,000
9655861 Oral pharmaceutical dosage forms Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot 2017-05-23 $2,733,000
9592204 Oral pharmaceutical dosage forms Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot 2017-03-14 $2,111,000
9572885 Compositions with a rheological modifier to reduce dissolution variability Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot, Karl Bratin +1 more 2017-02-21 $1,063,000
9555113 Compositions with a rheological modifier to reduce dissolution variability Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot, Karl Bratin +1 more 2017-01-31 $2,257,000
9517271 Oral drug delivery system Su Il Yum, Grant Schoenhard, Arthur J. Tipton, John W. Gibson, John C. Middleton +1 more 2016-12-13 $2,687,000
9233160 Oral drug delivery system Su Il Yum, Grant Schoenhard, Arthur J. Tipton, John W. Gibson, John C. Middleton +1 more 2016-01-12 $2,699,000
8974821 Oral drug delivery system Su Il Yum, Grant Schoenhard, Arthur J. Tipton, John W. Gibson, John C. Middleton +1 more 2015-03-10 $3,249,000
8951556 Oral drug delivery system Su Il Yum, Grant Schoenhard, Arthur J. Tipton, John W. Gibson, John C. Middleton +1 more 2015-02-10 $1,811,000
8945614 Oral drug delivery system Su Il Yum, Grant Schoenhard, Arthur J. Tipton, John W. Gibson, John C. Middleton +1 more 2015-02-03 $1,854,000
8415401 Oral pharmaceutical dosage forms Su Il Yum, Wendy Chao, Huey-Ching Su, Michael Zamloot 2013-04-09 $2,261,000
6025326 Compositions and methods for the prevention and treatment of oral mucositis Deborah A. Steinberg, De-Hwa Chao, David J. Loury, Chee L. Gu, Conway C. Chang +1 more 2000-02-15
5545637 Process for preparing pharmaceutical compositions containing crystalline anhydrous mycophenolate mofetil salts De-Mei Leung, Jeffrey S. Fleitman, Michele C. Rizzolio, Andrew Miksztal 1996-08-13
5543408 Crystalline anhydrous mycophenolate mofetil and intravenous formulation thereof De-Mei Leung, Jeffrey S. Fleitman, Michele C. Rizzolio, Andrew Miksztal 1996-08-06