Growing community of inventors

Tokyo, Japan

Tomohiro Niihama

Average Co-Inventor Count = 4.44

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

Tomohiro NiihamaAtsushi Shimizu (2 patents)Tomohiro NiihamaMasahiro Tsukamoto (2 patents)Tomohiro NiihamaHirokazu Ohno (2 patents)Tomohiro NiihamaYohsuke Koizumi (1 patent)Tomohiro NiihamaTomohiro Niihama (2 patents)Atsushi ShimizuAtsushi Shimizu (127 patents)Masahiro TsukamotoMasahiro Tsukamoto (7 patents)Hirokazu OhnoHirokazu Ohno (3 patents)Yohsuke KoizumiYohsuke Koizumi (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Kasei Chemicals Corporation (2 from 510 patents)


2 patents:

1. 10107232 - Method for driving internal combustion engine, and air supply device

2. 9259688 - Method for reducing nitrogen oxide from internal combustion engine and apparatus therefor

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as of
12/7/2025
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