Growing community of inventors

Longmont, CO, United States of America

Robert J Topping

Average Co-Inventor Count = 6.87

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 21

Robert J ToppingYeun-Kwei Han (5 patents)Robert J ToppingMichelangelo Scalone (4 patents)Robert J ToppingKurt Puentener (4 patents)Robert J ToppingMichael P Fleming (4 patents)Robert J ToppingDavid A Johnston (4 patents)Robert J ToppingLewis M Hodges (4 patents)Robert J ToppingMark A Schwindt (4 patents)Robert J ToppingRoger P Micheli (4 patents)Robert J ToppingChris R Roberts (4 patents)Robert J ToppingHiralal N Khatri (3 patents)Robert J ToppingPeter John Harrington (2 patents)Robert J ToppingRichard Robert Dauer (2 patents)Robert J ToppingJack Delbert Brown (2 patents)Robert J ToppingGary K Rowe (2 patents)Robert J ToppingDave A Johnston (2 patents)Robert J ToppingRobert J Topping (7 patents)Yeun-Kwei HanYeun-Kwei Han (13 patents)Michelangelo ScaloneMichelangelo Scalone (54 patents)Kurt PuentenerKurt Puentener (22 patents)Michael P FlemingMichael P Fleming (11 patents)David A JohnstonDavid A Johnston (9 patents)Lewis M HodgesLewis M Hodges (7 patents)Mark A SchwindtMark A Schwindt (5 patents)Roger P MicheliRoger P Micheli (4 patents)Chris R RobertsChris R Roberts (4 patents)Hiralal N KhatriHiralal N Khatri (14 patents)Peter John HarringtonPeter John Harrington (15 patents)Richard Robert DauerRichard Robert Dauer (7 patents)Jack Delbert BrownJack Delbert Brown (5 patents)Gary K RoweGary K Rowe (2 patents)Dave A JohnstonDave A Johnston (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Roche Colorado Corporation (6 from 18 patents)

2. F. Hoffmann-la Roche Ag (1 from 168 patents)


7 patents:

1. 7696311 - Process and systems for recovery of peptides

2. 6858749 - Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

3. 6818789 - Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

4. 6765109 - Preparation of S-aryl-cysteine and its derivatives

5. 6743927 - Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

6. 6545165 - Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

7. 6229041 - Preparation of S-aryl-cysteine and its derivatives

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as of
12/8/2025
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