Growing community of inventors

Shizuoka, Japan

Eiji Nagayama

Average Co-Inventor Count = 3.27

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 = 60

Eiji NagayamaSatoshi Arai (1 patent)Eiji NagayamaOsamu Shishido (1 patent)Eiji NagayamaShinichiro Takahashi (1 patent)Eiji NagayamaKen Ikezawa (1 patent)Eiji NagayamaTetu Arai (1 patent)Eiji NagayamaTakashi Ohta (1 patent)Eiji NagayamaYuugo Tomaru (1 patent)Eiji NagayamaTetuichi Turumi (1 patent)Eiji NagayamaYuuichi Terada (1 patent)Eiji NagayamaEiji Nagayama (3 patents)Satoshi AraiSatoshi Arai (15 patents)Osamu ShishidoOsamu Shishido (3 patents)Shinichiro TakahashiShinichiro Takahashi (3 patents)Ken IkezawaKen Ikezawa (2 patents)Tetu AraiTetu Arai (2 patents)Takashi OhtaTakashi Ohta (1 patent)Yuugo TomaruYuugo Tomaru (1 patent)Tetuichi TurumiTetuichi Turumi (1 patent)Yuuichi TeradaYuuichi Terada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Amano Corporation (3 from 38 patents)


3 patents:

1. 5615437 - Floor-surface polisher equipped with function for adjusting pad pressure

2. 5363600 - Dust scattering prevention device in floor polisher

3. 4910824 - Floor polisher

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/10/2025
Loading…