Growing community of inventors

Kanagawa, Japan

Ayako Hirano

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 = 17

Ayako Hirano ↔ Hajime Miyazaki (1 patent)Ayako Hirano ↔ Hisato Haraga (1 patent)Ayako Hirano ↔ Yasuo Hamada (1 patent)Ayako Hirano ↔ Katsushi Akamatsu (1 patent)Ayako HiranoAyako Hirano (1 patent)Hajime MiyazakiHajime Miyazaki (35 patents)Hisato HaragaHisato Haraga (13 patents)Yasuo HamadaYasuo Hamada (5 patents)Katsushi AkamatsuKatsushi Akamatsu (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (1 from 1,192 patents)


1 patent:

1. 5292479 - Air treatment by multi-stacked plate asembly

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as of
12/27/2025
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