Growing community of inventors

Madison, WI, United States of America

Michael J Johnstone

Average Co-Inventor Count = 9.00

ph-index = 1

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 = 3

Michael J Johnstone ↔ Robert G LaMasney (1 patent)Michael J Johnstone ↔ Marc Syvertsen (1 patent)Michael J Johnstone ↔ Robert C Gaffney (1 patent)Michael J Johnstone ↔ Ross Mack (1 patent)Michael J Johnstone ↔ Jeffrey A Poirier (1 patent)Michael J Johnstone ↔ Rodney Stuart McKenzie (1 patent)Michael J Johnstone ↔ Robert G Reidl (1 patent)Michael J Johnstone ↔ Jeffrey W Schmoeger (1 patent)Michael J JohnstoneMichael J Johnstone (1 patent)Robert G LaMasneyRobert G LaMasney (25 patents)Marc SyvertsenMarc Syvertsen (13 patents)Robert C GaffneyRobert C Gaffney (13 patents)Ross MackRoss Mack (11 patents)Jeffrey A PoirierJeffrey A Poirier (6 patents)Rodney Stuart McKenzieRodney Stuart McKenzie (5 patents)Robert G ReidlRobert G Reidl (1 patent)Jeffrey W SchmoegerJeffrey W Schmoeger (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rovcal, Inc. (1 from 55 patents)


1 patent:

1. 6938775 - Button cell battery pack with air access channel

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as of
12/31/2025
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