Growing community of inventors

Tokyo, Japan

Koji Koshiyama

Average Co-Inventor Count = 7.00

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 = 12

Koji Koshiyama ↔ Tetsuya Hoshijima (1 patent)Koji Koshiyama ↔ Mitsuo Kama (1 patent)Koji Koshiyama ↔ Kinji Mineshima (1 patent)Koji Koshiyama ↔ Yoshiyuki Yoshii (1 patent)Koji Koshiyama ↔ Toshiyuki Ishikawa (1 patent)Koji Koshiyama ↔ Tatsuro Oikawa (1 patent)Koji KoshiyamaKoji Koshiyama (1 patent)Tetsuya HoshijimaTetsuya Hoshijima (3 patents)Mitsuo KamaMitsuo Kama (3 patents)Kinji MineshimaKinji Mineshima (3 patents)Yoshiyuki YoshiiYoshiyuki Yoshii (3 patents)Toshiyuki IshikawaToshiyuki Ishikawa (2 patents)Tatsuro OikawaTatsuro Oikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Telegraph (1 from 7 patents)

2. Japan Recom Ltd. (1 from 4 patents)

3. Telephone Corporation (1 from 3 patents)


1 patent:

1. 6021246 - Closure for cable connection

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12/11/2025
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