Growing community of inventors

Shinjuku-ku, Japan

Hirotada Ookawa

Average Co-Inventor Count = 3.00

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 = 4

Hirotada OokawaKenji Ueda (1 patent)Hirotada OokawaMinoru Azakami (1 patent)Hirotada OokawaHirotada Ookawa (1 patent)Kenji UedaKenji Ueda (133 patents)Minoru AzakamiMinoru Azakami (15 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (1 from 3,192 patents)


1 patent:

1. 7846520 - Counterfeiting prevention label and method of manufacturing the same

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as of
12/7/2025
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