Growing community of inventors

Marugame, Japan

Takeo Hirai

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 = 1

Takeo HiraiShiro Hojo (1 patent)Takeo HiraiYoichi Hasegawa (1 patent)Takeo HiraiTakeo Hirai (1 patent)Shiro HojoShiro Hojo (6 patents)Yoichi HasegawaYoichi Hasegawa (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 4855501 - Process for preparation of monomethylhydrazine

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12/19/2025
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