Growing community of inventors

Sakaide, Japan

Hiroyuki Fujita

Average Co-Inventor Count = 5.00

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

Hiroyuki FujitaShunji Hyoda (3 patents)Hiroyuki FujitaHirotoshi Sawada (2 patents)Hiroyuki FujitaYouichi Hasegawa (2 patents)Hiroyuki FujitaYasuo Oki (2 patents)Hiroyuki FujitaYoichi Hasegawa (1 patent)Hiroyuki FujitaMineo Nakagawa (1 patent)Hiroyuki FujitaTakafumi Kawada (1 patent)Hiroyuki FujitaHiroyuki Fujita (3 patents)Shunji HyodaShunji Hyoda (8 patents)Hirotoshi SawadaHirotoshi Sawada (5 patents)Youichi HasegawaYouichi Hasegawa (3 patents)Yasuo OkiYasuo Oki (2 patents)Yoichi HasegawaYoichi Hasegawa (5 patents)Mineo NakagawaMineo Nakagawa (3 patents)Takafumi KawadaTakafumi Kawada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Hydrazine Co., Ltd. (3 from 16 patents)


3 patents:

1. 6194577 - Process for producing alicyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine

2. 5977360 - Process for producing cyclic hydrazine derivatives,

3. 5731465 - Process for the preparation of tertiary butyl hydrazine hydrohalogenide

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as of
12/19/2025
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