Growing community of inventors

Anjo, Japan

Koji Takahagi

Average Co-Inventor Count = 1.88

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 = 38

Koji TakahagiYuta Araki (2 patents)Koji TakahagiHidenori Nagasaka (1 patent)Koji TakahagiTakeshi Kamiya (1 patent)Koji TakahagiShingo Misaki (1 patent)Koji TakahagiYoshihiro Ito (1 patent)Koji TakahagiTomohiko Imae (1 patent)Koji TakahagiJun Ueda (1 patent)Koji TakahagiKoji Takahagi (5 patents)Yuta ArakiYuta Araki (10 patents)Hidenori NagasakaHidenori Nagasaka (57 patents)Takeshi KamiyaTakeshi Kamiya (23 patents)Shingo MisakiShingo Misaki (18 patents)Yoshihiro ItoYoshihiro Ito (11 patents)Tomohiko ImaeTomohiko Imae (9 patents)Jun UedaJun Ueda (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Makita Corporation (5 from 2,196 patents)


5 patents:

1. 12109677 - Driver drill

2. 12097604 - Electric power tool and auxiliary handle

3. 12090607 - Oil pulse tool

4. 8167056 - Rechargeable electric tool

5. D569206 - Portable electric driver

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as of
12/20/2025
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