Growing community of inventors

Yokohama, Japan

Masaaki Yamagami

Average Co-Inventor Count = 5.51

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 = 101

Masaaki YamagamiShoji Amamiya (4 patents)Masaaki YamagamiHaruyuki Tsuji (3 patents)Masaaki YamagamiKazushige Nakamura (3 patents)Masaaki YamagamiNoboru Kashimura (3 patents)Masaaki YamagamiTakashige Kasuya (2 patents)Masaaki YamagamiTatsuya Ikezue (2 patents)Masaaki YamagamiHarumi Sakoh (2 patents)Masaaki YamagamiMichiyo Sekiya (1 patent)Masaaki YamagamiAkio Maruyama (1 patent)Masaaki YamagamiShin Nagahara (1 patent)Masaaki YamagamiMasaaki Yamagami (4 patents)Shoji AmamiyaShoji Amamiya (26 patents)Haruyuki TsujiHaruyuki Tsuji (22 patents)Kazushige NakamuraKazushige Nakamura (21 patents)Noboru KashimuraNoboru Kashimura (17 patents)Takashige KasuyaTakashige Kasuya (81 patents)Tatsuya IkezueTatsuya Ikezue (33 patents)Harumi SakohHarumi Sakoh (9 patents)Michiyo SekiyaMichiyo Sekiya (56 patents)Akio MaruyamaAkio Maruyama (41 patents)Shin NagaharaShin Nagahara (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (4 from 90,809 patents)


4 patents:

1. 5585214 - Electrophotographic photosensitive member having polycarbonate with

2. 5485250 - Electrophotographic apparatus with photosensitive member having surface

3. 5455135 - Electrophotographic photosensitive member with overlayer and

4. 5357320 - Electrophotographic apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/7/2026
Loading…