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

Mitchell Kirschner — 22 Patents

KPK.V. Pharmaceutical: 9 patents #4 of 22Top 20%
DRDrugtech: 8 patents #3 of 14Top 25%
Chesterfield, MO: #199 of 6,461 inventorsTop 4%
Missouri: #696 of 23,789 inventorsTop 3%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Mitchell Kirschner has been granted 22 US patents while listed as an inventor at K.V. Pharmaceutical. The first was granted in 1989 and the most recent in April 2022. Mitchell Kirschner ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Mitchell Kirschner in Chesterfield, MO, US.

Patents per Year

Patents granted per year, 1989 to 2022Bar chart with a peak of 3 patents in 1996.peak 31989: 2 patents19891990: 1 patents1996: 3 patents19961997: 2 patents1999: 2 patents19992001: 3 patents2002: 3 patents20022004: 1 patents2005: 1 patents20052010: 2 patents2011: 1 patents20112022: 1 patents2022

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11300988 Method and system to boost battery voltage Andrew J. Miller 2022-04-12
7864512 Thin screen enclosure Ethan J. Schuman 2011-01-04
7687485 Formulation for menopausal women R. Saul Levinson, Marc S. Hermelin 2010-03-30
7679888 Thin screen enclosure Ethan J. Schuman 2010-03-16
6899890 Bioadhesive drug delivery system R. Saul Levinson, Thomas C. Riley, Marc S. Hermelin 2005-05-31
6696083 Vitamin/nutrient dosage regimentation George Paradissis, R. Saul Levinson, Marc S. Hermelin 2004-02-24
6479545 Formulation for menopausal women R. Saul Levinson, Marc S. Hermelin 2002-11-12
6375956 Strip pack Marc S. Hermelin, Sjoerd Osinga 2002-04-23
6352713 Nutritional composition R. Saul Levinson, George Paradissis 2002-03-05
6261600 Folic acid supplement George Paradissis, R. Saul Levinson 2001-07-17
6228388 Multi-vitamin and mineral supplement for pregnant women George Paradissis, R. Saul Levinson, Gary Heeter, Robert C. Cuca 2001-05-08
6197329 Anti-nausea compositions and methods Marc S. Hermelin, R. Saul Levinson 2001-03-06
5886765 Frame with decoration rotatably mounted on it 1999-03-23
5858391 Long acting GI and esophageal protectant Robert C. Cuca, Keith S. Lienhop, Thomas C. Riley, R. Saul Levinson 1999-01-12
5670163 Long acting GI and esophageal protectant Robert C. Cuca, Keith S. Lienhop, Thomas C. Riley, R. Saul Levinson 1997-09-23
5652635 Decorative eyeglasses 1997-07-29
5554379 Long acting GI and esophageal protectant Robert C. Cuca, Keith S. Lienhop, Thomas C. Riley, R. Saul Levinson 1996-09-10
5554380 Bioadhesive pharmaceutical delivery system Robert C. Cuca, Keith S. Lienhop, Thomas C. Riley, R. Saul Levinson 1996-09-10
5494678 Multi-vitamin and mineral supplement for pregnant women George Paradissis, R. Saul Levinson, Gary Heeter, Robert C. Cuca 1996-02-27
4973480 Tamper evident pharmaceutical capsule Marc S. Hermelin, George Paradissis 1990-11-27 $526,000
4869908 Fibre formulations William H. Dorow 1989-09-26 $549,000
4844906 Tamper evident pharmaceutical capsule Marc S. Hermelin, George Paradissis 1989-07-04