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

Robert K. Baker — 30 Patents

Merck: 30 patents #264 of 9,382Top 3%
Cranford, NJ: #8 of 283 inventorsTop 3%
New Jersey: #2,242 of 69,400 inventorsTop 4%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Robert K. Baker has been granted 30 US patents while listed as an inventor at Merck. The first was granted in 1988 and the most recent in August 2015. Robert K. Baker ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Robert K. Baker in Cranford, NJ, US.

Patents per Year

Patents granted per year, 1988 to 2015Bar chart with a peak of 4 patents in 1999.peak 41988: 1 patents19881989: 1 patents1990: 1 patents19901991: 1 patents1994: 1 patents19941996: 2 patents1997: 2 patents19971998: 1 patents1999: 4 patents19992000: 4 patents2001: 1 patents20012002: 3 patents2003: 1 patents20032009: 1 patents2011: 2 patents20112012: 2 patents2013: 1 patents20132015: 1 patents2015

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9108920 Diazeniumdiolate heterocyclic derivatives Amjad Ali, Michael Man-Chu Lo, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson +5 more 2015-08-18 $66,173,000
8530521 Nitrooxy cycloalkane derivatives Amjad Ali, Kathleen M. Rupprecht, Michael Man-Chu Lo, Brent Whitehead 2013-09-10 $90,068,000
8153626 Substituted diazepine sulfonamides as bombesin receptor subtype-3 modulators Linda L. Chang, Marc D. Chioda, Harry R. Chobanian, Ying-Duo Gao, Yan Guo +5 more 2012-04-10 $132,429,000
8119806 Cicletanine derivatives Amjad Ali, Iyassu Sebhat, Christopher Franklin, Kathleen M. Rupprecht, Ravi Nargund +7 more 2012-02-21 $50,558,000
7906503 Substituted 3-alkyl and 3-alkenyl azetidine derivatives Jianming Bao, Shouwu Miao, Kathleen M. Rupprecht 2011-03-15 $44,210,000
7906652 Heterocycle-substituted 3-alkyl azetidine derivatives Jeffrey J. Hale, Shouwu Miao, Kathleen M. Rupprecht 2011-03-15 $44,210,000
7485732 Substituted 3-alkyl and 3-alkenyl azetidine derivatives Jianming Bao, Shouwu Miao, Kathleen M. Rupprecht 2009-02-03 $90,380,000
6632836 Carbocyclic potassium channel inhibitors Jianming Bao, Jennifer Chee, Maria L. Garcia, Gregory J. Kaczorowski, Frank Kayser +10 more 2003-10-14 $62,367,000
6489354 3-alkyl substituted pyrrolidine modulators of chemokine receptor activity Jianming Bao, William H. Parsons, Kathleen M. Rupprecht 2002-12-03 $100,921,000
6372764 Pyrrolidine modulators of chemokine receptor activity Jianming Bao, William H. Parsons, Kathleen M. Rupprecht 2002-04-16 $103,856,000
6362201 3-cyclopropyl and 3-cyclobutyl pyrrolidine modulators of chemokine receptor activity William H. Parsons, Kathleen M. Rupprecht 2002-03-26 $136,386,000
6194458 Benzamide potassium channel inhibitors Jianming Bao, Frank Kayser, Andrew Kotliar, William H. Parsons, Kathleen M. Rupprecht +4 more 2001-02-27 $326,711,000
6100293 Tetracyclic triterpene derivatives with immunosuppressant activity Jianming Bao, Frank Kayser, Shouwu Miao, William H. Parsons, Kathleen M. Rupprecht 2000-08-08 $326,701,000
6083980 Furanyl, tetracyclic triterpene derivatives with immunosuppressant activity Jianming Bao, Frank Kayser, Shouwu Miao, William H. Parsons, Kathleen M. Rupprecht 2000-07-04
6051590 Immunosuppressant tricyclic compounds Jianming Bao, Frank Kayser, Shouwu Miao, William H. Parsons, Kathleen M. Rupprecht 2000-04-18 $172,751,000
6022890 Immunosuppressant tetracyclic triterpenes Jianming Bao, Frank Kayser, Andrew Kotliar, William H. Parsons, Kathleen M. Rupprecht +1 more 2000-02-08 $349,504,000
5998408 Triterpene derivatives with immunosuppressant activity Frank Kayser, Jianming Bao, Andrew Kotliar, William H. Parsons, Kathleen M. Rupprecht 1999-12-07 $69,168,000
5952371 Triterpene derivatives with immunosuppressant activity Frank Kayser, Jianming Bao, Andrew Kotliar, William H. Parsons, Kathleen M. Rupprecht 1999-09-14 $82,986,000
5883119 Triterpene derivatives with immunosuppressant activity Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht 1999-03-16 $143,847,000
5874594 Triterpene derivatives with immunosuppressant activity Frank Kayser, Jianming Bao, Andrew Kotliar, William H. Parsons, Kathleen M. Rupprecht 1999-02-23 $185,053,000
5763478 Triterpene derivatives with immunosuppressant activity Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht 1998-06-09 $158,837,000
5696156 Triterpene derivatives with immunosuppressant activity Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht 1997-12-09 $128,860,000
5679705 Triterpene derivatives with immunosuppressant activity Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht 1997-10-21 $89,959,000
5550233 Aryl, alkyl, alkenyl and alkynylmacrolides having immunosuppressive activity Kathleen M. Rupprecht, Hyun O. Ok, William H. Parsons 1996-08-27 $80,353,000
5545734 Aryl and heteroaryl macrolides having immunosuppressive activity Gerard R. Kieczykowski, Hyun O. Ok, William H. Parsons, Kathleen M. Rupprecht 1996-08-13 $140,059,000