Growing community of inventors

Shikokuchuou, Japan

Katsuhisa Fujiwara

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 0

Katsuhisa Fujiwara ↔ Taiga Matsushita (1 patent)Katsuhisa Fujiwara ↔ Kousaku Nagashima (1 patent)Katsuhisa Fujiwara ↔ Masaaki Morikawa (1 patent)Katsuhisa Fujiwara ↔ Tatsuo Senba (1 patent)Katsuhisa Fujiwara ↔ Satoshi Yamamoto (1 patent)Katsuhisa FujiwaraKatsuhisa Fujiwara (1 patent)Taiga MatsushitaTaiga Matsushita (15 patents)Kousaku NagashimaKousaku Nagashima (4 patents)Masaaki MorikawaMasaaki Morikawa (4 patents)Tatsuo SenbaTatsuo Senba (1 patent)Satoshi YamamotoSatoshi Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lintec Corporation (1 from 651 patents)

2. Ehime Prefectural Government (1 from 3 patents)


1 patent:

1. 7322522 - Identification function paper and identification card

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as of
12/8/2025
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