Growing community of inventors

Kitakyushu, Japan

Hiroshi Tsutsumi

Average Co-Inventor Count = 3.00

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 = 0

Hiroshi Tsutsumi ↔ Osamu Matsunaga (1 patent)Hiroshi Tsutsumi ↔ Morihito Okamura (1 patent)Hiroshi TsutsumiHiroshi Tsutsumi (1 patent)Osamu MatsunagaOsamu Matsunaga (6 patents)Morihito OkamuraMorihito Okamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Mining Co., Ltd. (1 from 44 patents)


1 patent:

1. 4818496 - Apparatus for treating a sulfur dioxide-containing gas

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12/15/2025
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