Growing community of inventors

Plain City, OH, United States of America

Douglas M Olsen

Average Co-Inventor Count = 1.38

ph-index = 3

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 = 14

Douglas M OlsenMasayuki Hirukawa (1 patent)Douglas M OlsenJason W Grundey (1 patent)Douglas M OlsenBrian S Welch (1 patent)Douglas M OlsenTomofumi Tanahashi (1 patent)Douglas M OlsenRoss Kleman (1 patent)Douglas M OlsenDouglas M Olsen (3 patents)Masayuki HirukawaMasayuki Hirukawa (19 patents)Jason W GrundeyJason W Grundey (7 patents)Brian S WelchBrian S Welch (3 patents)Tomofumi TanahashiTomofumi Tanahashi (1 patent)Ross KlemanRoss Kleman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (3 from 21,963 patents)

2. Yusa Corporation (1 from 4 patents)


3 patents:

1. 9428313 - Adjustable container holder

2. 9205733 - Vehicle including mount devices for coupling a sub-frame with a main frame

3. 7942240 - Silencer for internal combustion engine

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as of
1/9/2026
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