Growing community of inventors

Sakai, Japan

Takafumi Harada

Average Co-Inventor Count = 3.60

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 = 15

Takafumi HaradaToshihiko Yasui (2 patents)Takafumi HaradaIsamu Tokuda (2 patents)Takafumi HaradaNobuyoshi Utsuno (2 patents)Takafumi HaradaNorio Hamayasu (2 patents)Takafumi HaradaKiyohiko Matsumoto (2 patents)Takafumi HaradaKimihiro Tsuchie (1 patent)Takafumi HaradaTakafumi Harada (3 patents)Toshihiko YasuiToshihiko Yasui (21 patents)Isamu TokudaIsamu Tokuda (10 patents)Nobuyoshi UtsunoNobuyoshi Utsuno (8 patents)Norio HamayasuNorio Hamayasu (6 patents)Kiyohiko MatsumotoKiyohiko Matsumoto (5 patents)Kimihiro TsuchieKimihiro Tsuchie (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Inc. (2 from 3,300 patents)

2. Shimano Industrial Co., Ltd. (1 from 444 patents)


3 patents:

1. 6269585 - Inner rod for a hollow collapsible fishing rod

2. 5946845 - Inner rod for a hollow collapsible fishing rod

3. 4230212 - Rear hub for a bicycle

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as of
12/18/2025
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