Growing community of inventors

Niihama, Japan

Hiroshi Takao

Average Co-Inventor Count = 6.00

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 = 4

Hiroshi Takao ↔ Michio Kato (1 patent)Hiroshi Takao ↔ Masami Ayano (1 patent)Hiroshi Takao ↔ Tetsuya Ohrui (1 patent)Hiroshi Takao ↔ Yasuhito Sakakibara (1 patent)Hiroshi Takao ↔ Yukinaga Aono (1 patent)Hiroshi TakaoHiroshi Takao (1 patent)Michio KatoMichio Kato (4 patents)Masami AyanoMasami Ayano (3 patents)Tetsuya OhruiTetsuya Ohrui (3 patents)Yasuhito SakakibaraYasuhito Sakakibara (2 patents)Yukinaga AonoYukinaga Aono (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,893 patents)


1 patent:

1. 3968153 - Extraction of acrylic acid and/or methacrylic acid with a solvent

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idiyas.com
as of
12/20/2025
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