DW

Donald G. Walker

OP Ortho-Mcneil Pharmaceutical: 5 patents #82 of 449Top 20%
BR Bristol-Meyers: 3 patents #98 of 350Top 30%
BI Biogen: 1 patents #81 of 174Top 50%
CL Convergence Pharmaceuticals Limited: 1 patents #22 of 38Top 60%
Johnson & Johnson: 1 patents #4,762 of 7,810Top 65%
📍 Cambridge, MA: #1,011 of 8,183 inventorsTop 15%
🗺 Massachusetts: #11,548 of 88,656 inventorsTop 15%
Overall (All Time): #454,375 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11192856 Process for preparing alpha-carboxamide pyrrolidine derivatives Weirong Chen, Vinny Couming, Erwin Irdam, William F. Kiesman, Daw-long Kwok +4 more 2021-12-07
10421716 Process for preparing alpha-carboxamide pyrrolidine derivatives David T. MacPherson, David R. Witty, Gerard M. P. Giblin, Michael Williams, William F. Kiesman +1 more 2019-09-24
8497373 Phosphonic acid compounds as inhibitors of serine proteases Michael N. Greco, Harold R. Almond, Jr., Lawrence de Garavilla, Michael J. Hawkins, Michael Humora +6 more 2013-07-30
8394804 Phosphonic acid compounds as inhibitors of serine proteases Michael N. Greco, Harold R. Almond, Jr., Lawrence de Garavilla, Michael J. Hawkins, Michael Humora +6 more 2013-03-12
7459461 Phosphonic acid compounds as inhibitors of serine proteases Michael N. Greco, Harold R. Almond, Jr., Lawrence de Garavilla, Michael J. Hawkins, Michael Humora +6 more 2008-12-02
7132544 Process for the preparation of tetrasubstituted imidazole derivatives and novel crystalline structures thereof Hua Zhong, Silke Dubberke, Stefan Muller, Armin Rossler, Thomas W. Schultz +3 more 2006-11-07
7067671 Process for the preparation of tetrasubstituted imidazole derivatives and novel crystalline structures thereof Hua Zhong, Silke Dubberke, Stefan Muller, Armin Rossler, Thomas W. Schultz +3 more 2006-06-27
6673926 Process of preparing 3S-3-amino-3-aryl proprionic acid and derivatives thereof Lorraine Scott, Frank J. Villani 2004-01-06
4868294 Process for preparing cephalosporin intermediates Steven P. Brundidge, Paul R. Brodfuehrer, Chet Sapino, Jr., Kun M. Shih 1989-09-19
4714760 Cephalosporin intermediates Steven P. Brundidge, Paul R. Brodfuehrer, Chet Sapino, Jr., Kun M. Shih 1987-12-22
4659812 Cephalosporin intermediates Shimpei Aburaki, Yukio Narita, Jun Okumura, Takayuki Naito 1987-04-21