Growing community of inventors

Ishikawa, Japan

Masao Takayama

Average Co-Inventor Count = 3.27

ph-index = 3

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 = 14

Masao TakayamaShuichi Morikawa (2 patents)Masao TakayamaHideyuki Okumura (2 patents)Masao TakayamaSatoshi Kuroda (1 patent)Masao TakayamaMotoshi Shibuya (1 patent)Masao TakayamaMasashi Matsumoto (1 patent)Masao TakayamaMasao Takayama (3 patents)Shuichi MorikawaShuichi Morikawa (26 patents)Hideyuki OkumuraHideyuki Okumura (8 patents)Satoshi KurodaSatoshi Kuroda (56 patents)Motoshi ShibuyaMotoshi Shibuya (10 patents)Masashi MatsumotoMasashi Matsumoto (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pfu Limited (3 from 678 patents)


3 patents:

1. D839955 - Imprinter for scanner

2. 8371573 - Feeding device

3. 7913994 - Feeding device

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as of
1/5/2026
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