Growing community of inventors

Kitakyushu, Japan

Nobuyuki Ashie

Average Co-Inventor Count = 3.43

ph-index = 2

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 = 25

Nobuyuki Ashie ↔ Katsuaki Nakamura (1 patent)Nobuyuki Ashie ↔ Takayuki Ohtani (1 patent)Nobuyuki Ashie ↔ Susumu Saito (1 patent)Nobuyuki Ashie ↔ Masami Hiasa (1 patent)Nobuyuki Ashie ↔ Ryuji Matsubara (1 patent)Nobuyuki AshieNobuyuki Ashie (2 patents)Katsuaki NakamuraKatsuaki Nakamura (3 patents)Takayuki OhtaniTakayuki Ohtani (2 patents)Susumu SaitoSusumu Saito (1 patent)Masami HiasaMasami Hiasa (1 patent)Ryuji MatsubaraRyuji Matsubara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (2 from 1,192 patents)


2 patents:

1. 6458222 - Metal material, brass and method for manufacturing the same

2. 5607595 - Process for purifying water

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as of
12/20/2025
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