Growing community of inventors

Saitama-ken, Japan

Koji Hachii

Average Co-Inventor Count = 4.50

ph-index = 1

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 = 6

Koji HachiiKenji Sakanoue (3 patents)Koji HachiiToshiyuki Horiguchi (3 patents)Koji HachiiTakeshi Sasaki (2 patents)Koji HachiiToshiro Fujii (1 patent)Koji HachiiTakuya Koyanagi (1 patent)Koji HachiiTsugio Hanyuda (1 patent)Koji HachiiKoji Hachii (3 patents)Kenji SakanoueKenji Sakanoue (3 patents)Toshiyuki HoriguchiToshiyuki Horiguchi (3 patents)Takeshi SasakiTakeshi Sasaki (2 patents)Toshiro FujiiToshiro Fujii (7 patents)Takuya KoyanagiTakuya Koyanagi (7 patents)Tsugio HanyudaTsugio Hanyuda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Electric Co., Ltd. (3 from 4,814 patents)


3 patents:

1. 7168285 - Door device for vending machine

2. 6890044 - Door device for vending machine

3. 6584715 - Door for automatic vending machine

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as of
1/3/2026
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