Growing community of inventors

Kinokawa, Japan

Tomoyuki Nagayama

Average Co-Inventor Count = 3.33

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 = 7

Tomoyuki NagayamaAkane Tokutake (2 patents)Tomoyuki NagayamaKazuya Takitani (2 patents)Tomoyuki NagayamaHideki Oiwa (1 patent)Tomoyuki NagayamaMasasuke Funase (1 patent)Tomoyuki NagayamaAkihiko Toki (1 patent)Tomoyuki NagayamaKazuhito Oguri (1 patent)Tomoyuki NagayamaSatoshi Ota (1 patent)Tomoyuki NagayamaTsuyoshi Miyano (1 patent)Tomoyuki NagayamaTsuyoshi Miyano (0 patent)Tomoyuki NagayamaTomoyuki Nagayama (4 patents)Akane TokutakeAkane Tokutake (3 patents)Kazuya TakitaniKazuya Takitani (3 patents)Hideki OiwaHideki Oiwa (12 patents)Masasuke FunaseMasasuke Funase (7 patents)Akihiko TokiAkihiko Toki (5 patents)Kazuhito OguriKazuhito Oguri (2 patents)Satoshi OtaSatoshi Ota (2 patents)Tsuyoshi MiyanoTsuyoshi Miyano (1 patent)Tsuyoshi MiyanoTsuyoshi Miyano (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Duplo Seiko Corporation (3 from 46 patents)

2. Dupo Seiko Corporation (1 from 1 patent)


4 patents:

1. 10442653 - Sheet processing apparatus

2. 10406708 - Paper sheet processing apparatus

3. 10273109 - Processing apparatus and stacker device

4. 8916028 - Processing machine and paper sheet processing device

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as of
12/11/2025
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