Growing community of inventors

Tokyo, Japan

Keiichi Yahagi

Average Co-Inventor Count = 13.00

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 = 21

Keiichi YahagiEiji Yoshida (4 patents)Keiichi YahagiYusuke Yoshida (4 patents)Keiichi YahagiSatoshi Otake (4 patents)Keiichi YahagiHiroki Matsumoto (4 patents)Keiichi YahagiSatomi Kudo (4 patents)Keiichi YahagiEri Kawaguchi (4 patents)Keiichi YahagiIkuo Andreas Nakayama (4 patents)Keiichi YahagiHiroyuki Matsunaga (4 patents)Keiichi YahagiYuta Ogino (4 patents)Keiichi YahagiTatsuro Ishimatsu (4 patents)Keiichi YahagiSyotaro Nakajima (4 patents)Keiichi YahagiKagenori Nagao (4 patents)Keiichi YahagiKeiichi Yahagi (4 patents)Eiji YoshidaEiji Yoshida (29 patents)Yusuke YoshidaYusuke Yoshida (27 patents)Satoshi OtakeSatoshi Otake (9 patents)Hiroki MatsumotoHiroki Matsumoto (6 patents)Satomi KudoSatomi Kudo (4 patents)Eri KawaguchiEri Kawaguchi (4 patents)Ikuo Andreas NakayamaIkuo Andreas Nakayama (4 patents)Hiroyuki MatsunagaHiroyuki Matsunaga (4 patents)Yuta OginoYuta Ogino (4 patents)Tatsuro IshimatsuTatsuro Ishimatsu (4 patents)Syotaro NakajimaSyotaro Nakajima (4 patents)Kagenori NagaoKagenori Nagao (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (3 from 832,718 patents)

2. Eiji Yoshida (1 from 1 patent)


4 patents:

1. 7299601 - Device for exchanging a bottle closure

2. 7287670 - Device unit, and system for fluid extraction

3. 7162851 - Method for changing a stopper

4. 7032364 - Plug replacing device and plug replacing method

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