Growing community of inventors

Tokyo, Japan

Ryuji Hasegawa

Average Co-Inventor Count = 4.80

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 = 4

Ryuji HasegawaHideyuki Moribe (2 patents)Ryuji HasegawaTakahiro Igeta (2 patents)Ryuji HasegawaYoshikazu Katou (2 patents)Ryuji HasegawaKeiichi Fukuda (1 patent)Ryuji HasegawaNoboru Nagatani (1 patent)Ryuji HasegawaHideaki Kubo (1 patent)Ryuji HasegawaNaoki Nojiri (1 patent)Ryuji HasegawaYuko Yago (1 patent)Ryuji HasegawaHidetake Nakamura (1 patent)Ryuji HasegawaKeisuke Nakao (1 patent)Ryuji HasegawaRyuji Hasegawa (3 patents)Hideyuki MoribeHideyuki Moribe (8 patents)Takahiro IgetaTakahiro Igeta (2 patents)Yoshikazu KatouYoshikazu Katou (2 patents)Keiichi FukudaKeiichi Fukuda (27 patents)Noboru NagataniNoboru Nagatani (10 patents)Hideaki KuboHideaki Kubo (5 patents)Naoki NojiriNaoki Nojiri (4 patents)Yuko YagoYuko Yago (4 patents)Hidetake NakamuraHidetake Nakamura (3 patents)Keisuke NakaoKeisuke Nakao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Corporation (2 from 35,658 patents)

2. Kao Corporation (1 from 3,600 patents)


3 patents:

1. 8179523 - Photomask mounting/housing device and resist inspection method and resist inspection apparatus using same

2. 8009285 - Photomask mounting/housing device and resist inspection method and resist inspection apparatus using same

3. 7244439 - Cosmetic composition

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/9/2025
Loading…