Growing community of inventors

Chiba, Japan

Keiichi Ishii

Average Co-Inventor Count = 6.00

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 = 3

Keiichi Ishii ↔ Yasushi Maejima (1 patent)Keiichi Ishii ↔ Yoshinobu Ohtachi (1 patent)Keiichi Ishii ↔ Tooru Miwata (1 patent)Keiichi Ishii ↔ Tsutomu Takaada (1 patent)Keiichi Ishii ↔ Katsuhide Machida (1 patent)Keiichi IshiiKeiichi Ishii (1 patent)Yasushi MaejimaYasushi Maejima (29 patents)Yoshinobu OhtachiYoshinobu Ohtachi (25 patents)Tooru MiwataTooru Miwata (17 patents)Tsutomu TakaadaTsutomu Takaada (17 patents)Katsuhide MachidaKatsuhide Machida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Edwards Japan Limited (1 from 134 patents)


1 patent:

1. 10001126 - Vacuum pump

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12/12/2025
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