CA

C. Geoffrey Allen

PI Palo Alto Research Center Incorporated: 1 patents #500 of 776Top 65%
📍 Pleasant View Survey, CA: #1 of 13 inventorsTop 8%
Overall (All Time): #11,263 of 4,157,543Top 1%
113
Patents All Time

Issued Patents All Time

Showing 101–113 of 113 patents

Patent #TitleCo-InventorsDate
6464902 Perylene mixtures Roger E. Gaynor, James M. Duff, Gordon K. Hamer, Ah-Mee Hor 2002-10-15
6403796 Methods and intermediates for forming perylene dimers James M. Duff, Ah-Mee Hor, Roger E. Gaynor 2002-06-11
6319645 Imaging members Dasarao K. Murti, James M. Duff 2001-11-20
6309785 Imaging members Yu Qi, Beng S. Ong, Ping Liu 2001-10-30
6287738 Photoconductive imaging members James M. Duff, Ah-Mee Hor, Roger E. Gaynor, Cheng-Kuo Hsiao 2001-09-11
6214504 Photoconductive imaging members Mohammad Esteghamatian, Ah-Mee Hor, James M. Duff, Dasarao K. Murti 2001-04-10
6165661 Perylene compositions Cheng-Kuo Hsiao, Ah-Mee Hor, James M. Duff, Giuseppa Baranyi 2000-12-26
6162571 Unsymmetrical perylene dimers James M. Duff, Ah-Mee Hor, Roger E. Gaynor 2000-12-19
6051351 Perylenes Cheng-Kuo Hsiao, Ah-Mee Hor, James M. Duff, Giuseppa Baranyi 2000-04-18
5853933 Photoconductive member and perylene processes James M. Duff, Ah-Mee Hor 1998-12-29
5756245 Photoconductive imaging members Mohammad Esteghamatian, Dasarao K. Murti, Ah-Mee Hor 1998-05-26
5756744 Unsymmetrical perylene dimers James M. Duff, Ah-Mee Hor, Gordon K. Hamer 1998-05-26
5683842 Unsymmetrical perylene dimers in electrophotography James M. Duff, Ah-Mee Hor, Gordon K. Hamer 1997-11-04