Growing community of inventors

Ayasemachi, Japan

Toshimasa Fujiwara

Average Co-Inventor Count = 2.40

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 = 19

Toshimasa FujiwaraSatomi Nanaumi (1 patent)Toshimasa FujiwaraYoshiyuki Sudo (1 patent)Toshimasa FujiwaraKoichi Katagiri (1 patent)Toshimasa FujiwaraToshimasa Fujiwara (2 patents)Satomi NanaumiSatomi Nanaumi (2 patents)Yoshiyuki SudoYoshiyuki Sudo (2 patents)Koichi KatagiriKoichi Katagiri (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Copal Company Limited (2 from 192 patents)


2 patents:

1. 4743130 - Apparatus to facilitate initial paper loading

2. 4348125 - Paper guide mechanism of printer

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as of
12/19/2025
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