Growing community of inventors

Osaka, Japan

Tatsushi Okamoto

Average Co-Inventor Count = 1.80

ph-index = 2

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 = 10

Tatsushi OkamotoAkihiko Shoge (1 patent)Tatsushi OkamotoJunichi Kikuta (1 patent)Tatsushi OkamotoNaoto Migita (1 patent)Tatsushi OkamotoTomohiro Nagata (1 patent)Tatsushi OkamotoTatsushi Okamoto (3 patents)Akihiko ShogeAkihiko Shoge (19 patents)Junichi KikutaJunichi Kikuta (15 patents)Naoto MigitaNaoto Migita (2 patents)Tomohiro NagataTomohiro Nagata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Inc. (3 from 3,307 patents)


3 patents:

1. 9848669 - Bicycle cleat positioining device

2. 8376897 - Internally geared hub for bicycle

3. 7757581 - Bicycle gear shifter

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1/5/2026
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