Growing community of inventors

Hyogo, Japan

Hiroo Hangai

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 = 13

Hiroo HangaiAkitoshi Fujisawa (2 patents)Hiroo HangaiKoji Noishiki (1 patent)Hiroo HangaiAkira Matsuoka (1 patent)Hiroo HangaiKento Ogata (1 patent)Hiroo HangaiYukinobu Taniguchi (1 patent)Hiroo HangaiHiroo Hangai (2 patents)Akitoshi FujisawaAkitoshi Fujisawa (17 patents)Koji NoishikiKoji Noishiki (42 patents)Akira MatsuokaAkira Matsuoka (19 patents)Kento OgataKento Ogata (1 patent)Yukinobu TaniguchiYukinobu Taniguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kobe Steel, Ltd. (2 from 1,887 patents)


2 patents:

1. 11079072 - Gas supply system, vehicle, and hydrogen supply facility

2. 9776862 - Hydrogen production apparatus and hydrogen production method

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as of
1/10/2026
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