Growing community of inventors

Tokyo, Japan

Koji Kachi

Average Co-Inventor Count = 1.55

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 = 37

Koji Kachi ↔ Shigeru Hanagata (2 patents)Koji Kachi ↔ Keiichi Imamura (1 patent)Koji Kachi ↔ Takeshi Okada (1 patent)Koji Kachi ↔ Seiji Murakami (1 patent)Koji KachiKoji Kachi (4 patents)Shigeru HanagataShigeru Hanagata (42 patents)Keiichi ImamuraKeiichi Imamura (38 patents)Takeshi OkadaTakeshi Okada (28 patents)Seiji MurakamiSeiji Murakami (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Casio Keisanki Kabushiki Kaisha (3 from 434 patents)

2. Casio Computer Co., Ltd. (1 from 5,225 patents)


4 patents:

1. 10509562 - Wearable electronic device having a touch screen

2. D799478 - Wearable information terminal

3. D551993 - Watch case

4. D536626 - Wrist watch

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idiyas.com
as of
12/27/2025
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