Growing community of inventors

Marietta, OH, United States of America

John T Gianfagna

Average Co-Inventor Count = 3.24

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 = 49

John T GianfagnaRobert W Tapani (2 patents)John T GianfagnaSten R Gerfast (1 patent)John T GianfagnaGregory H Johnson (1 patent)John T GianfagnaSteven R Seeman (1 patent)John T GianfagnaDewain Robert Goff (1 patent)John T GianfagnaLeslie M Collins (1 patent)John T GianfagnaLeroy A Kuta (1 patent)John T GianfagnaJames J Evanoff (1 patent)John T GianfagnaKim R Olson (1 patent)John T GianfagnaRandolph L Carlson (1 patent)John T GianfagnaJohn T Gianfagna (4 patents)Robert W TapaniRobert W Tapani (16 patents)Sten R GerfastSten R Gerfast (38 patents)Gregory H JohnsonGregory H Johnson (24 patents)Steven R SeemanSteven R Seeman (6 patents)Dewain Robert GoffDewain Robert Goff (6 patents)Leslie M CollinsLeslie M Collins (5 patents)Leroy A KutaLeroy A Kuta (5 patents)James J EvanoffJames J Evanoff (4 patents)Kim R OlsonKim R Olson (1 patent)Randolph L CarlsonRandolph L Carlson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)

2. Imation Corporation (1 from 621 patents)


4 patents:

1. D412326 - Data storage tape cartridge

2. D366059 - Tape cartridge

3. D363066 - Tape cartridge

4. 5370332 - Videocassette flange with time available gauge

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idiyas.com
as of
12/28/2025
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