Growing community of inventors

Inagi, Japan

Masaki Okuyama

Average Co-Inventor Count = 4.55

ph-index = 5

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 = 158

Masaki OkuyamaYukio Saito (5 patents)Masaki OkuyamaTakumi Kawamura (4 patents)Masaki OkuyamaTomoyuki Nagamine (3 patents)Masaki OkuyamaNorihiro Yoshida (2 patents)Masaki OkuyamaTsutomu Munekata (2 patents)Masaki OkuyamaMasayoshi Otsuka (1 patent)Masaki OkuyamaIsao Nakamura (1 patent)Masaki OkuyamaMasaki Okuyama (5 patents)Yukio SaitoYukio Saito (6 patents)Takumi KawamuraTakumi Kawamura (13 patents)Tomoyuki NagamineTomoyuki Nagamine (4 patents)Norihiro YoshidaNorihiro Yoshida (4 patents)Tsutomu MunekataTsutomu Munekata (2 patents)Masayoshi OtsukaMasayoshi Otsuka (1 patent)Isao NakamuraIsao Nakamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Isotec Limited (5 from 26 patents)


5 patents:

1. 5531431 - Paper feeder for portable printer

2. 5423529 - Paper feeder for portable printer

3. 5409275 - Magnetic retaining device for electronic apparatus

4. 5312144 - Magnetic retaining device for electronic apparatus

5. 5236265 - Portable printer with variable housing configurations

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as of
12/8/2025
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