Growing community of inventors

Hachioji, Japan

Tetsumi Ichikawa

Average Co-Inventor Count = 4.00

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 = 1

Tetsumi Ichikawa ↔ Tatsuo Takanashi (1 patent)Tetsumi Ichikawa ↔ Naoki Matsumoto (1 patent)Tetsumi Ichikawa ↔ Setsuya Kataoka (1 patent)Tetsumi IchikawaTetsumi Ichikawa (1 patent)Tatsuo TakanashiTatsuo Takanashi (28 patents)Naoki MatsumotoNaoki Matsumoto (8 patents)Setsuya KataokaSetsuya Kataoka (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Olympus Corporation (1 from 8,192 patents)


1 patent:

1. 6826367 - Camera exterior part and camera with lens barrier

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12/12/2025
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