Growing community of inventors

Kobe, Japan

Hirohiko Nagao

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

Hirohiko Nagao ↔ Naoko Yamaguchi (1 patent)Hirohiko Nagao ↔ Hirohumi Iwasaki (1 patent)Hirohiko Nagao ↔ Mitsunori Saito (1 patent)Hirohiko Nagao ↔ Mitsunori Saitou (0 patent)Hirohiko NagaoHirohiko Nagao (1 patent)Naoko YamaguchiNaoko Yamaguchi (6 patents)Hirohumi IwasakiHirohumi Iwasaki (2 patents)Mitsunori SaitoMitsunori Saito (1 patent)Mitsunori SaitouMitsunori Saitou (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Kasei Fibers Corporation (1 from 59 patents)

2. Ohki Co., Ltd. (1 from 13 patents)


1 patent:

1. 7498281 - Nonwoven fabric and tea bag

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as of
12/20/2025
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