Growing community of inventors

Tokyo, Japan

Yoshifumi Hirano

Average Co-Inventor Count = 3.00

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 = 28

Yoshifumi Hirano ↔ Hiroyuki Sawai (4 patents)Yoshifumi Hirano ↔ Takafumi Kuwano (4 patents)Yoshifumi HiranoYoshifumi Hirano (4 patents)Hiroyuki SawaiHiroyuki Sawai (19 patents)Takafumi KuwanoTakafumi Kuwano (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nsk Corporation (3 from 2,430 patents)

2. Other (1 from 832,680 patents)


4 patents:

1. 6785965 - Method for assembling a hub unit for supporting a wheel shaft

2. 6581287 - Method for assembling a hub unit for supporting a wheel shaft

3. 6336747 - Hub unit for supporting a wheel shaft

4. 6113279 - Hub unit for supporting a wheel shaft

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as of
12/7/2025
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