Growing community of inventors

Yokohama-shi, Kanagawa, Japan

Katsuhiro Tsubai

Average Co-Inventor Count = 1.00

ph-index = NA

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 = 0

Katsuhiro Tsubai ↔ Koichi Doi (8 patents)Katsuhiro Tsubai ↔ Akiteru Noguchi (0 patent)Katsuhiro TsubaiKatsuhiro Tsubai (0 patent)Koichi DoiKoichi Doi (8 patents)Akiteru NoguchiAkiteru Noguchi (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Kakoki Kaisha Ltd. (11 patents)

2. Enertech Environmental, Inc. (6 patents)


0 patent:

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as of
12/20/2025
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