Growing community of inventors

Kawasaki, Japan

Nagahisa Chikazawa

Average Co-Inventor Count = 2.45

ph-index = 4

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 = 99

Nagahisa ChikazawaKatsumi Adachi (4 patents)Nagahisa ChikazawaTakashi Iijima (2 patents)Nagahisa ChikazawaYutaka Sato (2 patents)Nagahisa ChikazawaWataru Tanaka (2 patents)Nagahisa ChikazawaIkki Tatsukami (1 patent)Nagahisa ChikazawaMasahiko Kyouzuka (1 patent)Nagahisa ChikazawaKoichi Inoue (1 patent)Nagahisa ChikazawaMinoru Kumagai (1 patent)Nagahisa ChikazawaShigeki Tanabe (1 patent)Nagahisa ChikazawaNagahisa Chikazawa (9 patents)Katsumi AdachiKatsumi Adachi (118 patents)Takashi IijimaTakashi Iijima (27 patents)Yutaka SatoYutaka Sato (17 patents)Wataru TanakaWataru Tanaka (13 patents)Ikki TatsukamiIkki Tatsukami (40 patents)Masahiko KyouzukaMasahiko Kyouzuka (13 patents)Koichi InoueKoichi Inoue (12 patents)Minoru KumagaiMinoru Kumagai (9 patents)Shigeki TanabeShigeki Tanabe (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (9 from 39,230 patents)


9 patents:

1. 8199524 - Electronic device and metal plate member

2. 8081172 - Pen unit and electronic apparatus

3. 7876568 - Electronic device

4. 7652883 - Electronic device

5. 7515425 - Electronic device and cooling unit

6. 7379569 - Fingerprint recognizing apparatus and information processing unit having such apparatus

7. 7254013 - Panel member unit

8. 7215539 - Display device having panel display unit

9. 7126560 - Display device having panel display unit

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as of
12/16/2025
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