Growing community of inventors

Kawasaki, Japan

Norihiko Igarashi

Average Co-Inventor Count = 6.22

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 = 122

Norihiko IgarashiToshiro Okada (2 patents)Norihiko IgarashiToshiya Yamazaki (2 patents)Norihiko IgarashiHiroshi Oki (2 patents)Norihiko IgarashiShinji Kamata (2 patents)Norihiko IgarashiTakashi Hara (2 patents)Norihiko IgarashiTakashi Ohno (1 patent)Norihiko IgarashiMasahide Noda (1 patent)Norihiko IgarashiMasatomo Yasaki (1 patent)Norihiko IgarashiHideto Kihara (1 patent)Norihiko IgarashiJunichi Yura (1 patent)Norihiko IgarashiRyohei Morishita (1 patent)Norihiko IgarashiNorie Tachibana (1 patent)Norihiko IgarashiKan Yamamoto (1 patent)Norihiko IgarashiHiroyoshi Kasai (1 patent)Norihiko IgarashiRyoichi Akiyama (1 patent)Norihiko IgarashiJun Hanagata (1 patent)Norihiko IgarashiNorihiko Igarashi (4 patents)Toshiro OkadaToshiro Okada (12 patents)Toshiya YamazakiToshiya Yamazaki (10 patents)Hiroshi OkiHiroshi Oki (8 patents)Shinji KamataShinji Kamata (5 patents)Takashi HaraTakashi Hara (3 patents)Takashi OhnoTakashi Ohno (55 patents)Masahide NodaMasahide Noda (32 patents)Masatomo YasakiMasatomo Yasaki (29 patents)Hideto KiharaHideto Kihara (28 patents)Junichi YuraJunichi Yura (22 patents)Ryohei MorishitaRyohei Morishita (7 patents)Norie TachibanaNorie Tachibana (5 patents)Kan YamamotoKan Yamamoto (3 patents)Hiroyoshi KasaiHiroyoshi Kasai (3 patents)Ryoichi AkiyamaRyoichi Akiyama (1 patent)Jun HanagataJun Hanagata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (4 from 39,245 patents)


4 patents:

1. 10305913 - Authentication control device and authentication control method

2. 9870216 - Application providing method including extracting and converting packaged application

3. 6049670 - Identifier managing device and method in software distribution system

4. 5859969 - Remote installation system and method

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as of
1/7/2026
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