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Ibaraki, Japan

Hironobu Nagano

Average Co-Inventor Count = 5.33

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 = 18

Hironobu NaganoMasashi Yoshimura (2 patents)Hironobu NaganoEiji Sakata (2 patents)Hironobu NaganoKenji Matsuoka (2 patents)Hironobu NaganoKengo Miura (2 patents)Hironobu NaganoFumie Kusumoto (2 patents)Hironobu NaganoHiroyuki Yoshimura (1 patent)Hironobu NaganoMasahiro Nishiura (1 patent)Hironobu NaganoYusuke Okamoto (1 patent)Hironobu NaganoAkira Takagi (1 patent)Hironobu NaganoAkio Yonetani (1 patent)Hironobu NaganoKazuhiko Inoue (1 patent)Hironobu NaganoYugo Watari (1 patent)Hironobu NaganoYuki Kanemori (1 patent)Hironobu NaganoHironobu Nagano (4 patents)Masashi YoshimuraMasashi Yoshimura (6 patents)Eiji SakataEiji Sakata (3 patents)Kenji MatsuokaKenji Matsuoka (2 patents)Kengo MiuraKengo Miura (2 patents)Fumie KusumotoFumie Kusumoto (2 patents)Hiroyuki YoshimuraHiroyuki Yoshimura (44 patents)Masahiro NishiuraMasahiro Nishiura (8 patents)Yusuke OkamotoYusuke Okamoto (4 patents)Akira TakagiAkira Takagi (4 patents)Akio YonetaniAkio Yonetani (1 patent)Kazuhiko InoueKazuhiko Inoue (1 patent)Yugo WatariYugo Watari (1 patent)Yuki KanemoriYuki Kanemori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Maxell Holdings, Ltd. (3 from 52 patents)

2. Hitachi Maxell, Limited (1 from 1,112 patents)

3. Sunstar Inc. (1 from 55 patents)


4 patents:

1. D885455 - Camera

2. 10216697 - Management system for skin condition measurement analysis information and management method for skin condition measurement analysis information

3. 10098434 - Sprayer

4. 9779167 - Management system for skin condition measurement analysis information and management method for skin condition measurement analysis information

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as of
12/15/2025
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