Growing community of inventors

Cedar Rapids, IA, United States of America

Michael R Tangeman

Average Co-Inventor Count = 9.68

ph-index = 9

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 = 766

Michael R TangemanKristi T Feltz (10 patents)Michael R TangemanDouglas R Murdock (10 patents)Michael R TangemanSteven J Hogan (10 patents)Michael R TangemanDavid J Vercande (10 patents)Michael R TangemanEric M Busch (9 patents)Michael R TangemanKeith E Smith (8 patents)Michael R TangemanTodd A Goodman (8 patents)Michael R TangemanMark A Austin (8 patents)Michael R TangemanMadhigubba G Jayasimha (8 patents)Michael R TangemanDana Bruce Berry (8 patents)Michael R TangemanRaghavan Kripakaran (8 patents)Michael R TangemanMichael R Tangeman (10 patents)Kristi T FeltzKristi T Feltz (22 patents)Douglas R MurdockDouglas R Murdock (22 patents)Steven J HoganSteven J Hogan (22 patents)David J VercandeDavid J Vercande (12 patents)Eric M BuschEric M Busch (14 patents)Keith E SmithKeith E Smith (18 patents)Todd A GoodmanTodd A Goodman (10 patents)Mark A AustinMark A Austin (9 patents)Madhigubba G JayasimhaMadhigubba G Jayasimha (8 patents)Dana Bruce BerryDana Bruce Berry (8 patents)Raghavan KripakaranRaghavan Kripakaran (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Link USA Corp. (7 from 16 patents)

2. Level 3 Communications, LLC (1 from 1,106 patents)

3. Global Crossing, Ltd. (1 from 1 patent)

4. Global Crossing, North America (1 from 1 patent)


10 patents:

1. 8265245 - Call-processing rate quote system and method

2. 6643362 - Call-processing system and method

3. 6279038 - Client interface

4. 6263372 - Method and apparatus for interfacing two or more applications in a client server

5. 6016343 - Call-processing system and method

6. 5873099 - System and method for maintaining redundant databases

7. 5854833 - Processing using DEF records

8. 5638430 - Call validation system

9. 5590181 - Call-processing system and method

10. 5586175 - Call-processing system and method

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