Growing community of inventors

Chiba, Japan

Isao Yamamoto

Average Co-Inventor Count = 5.00

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 = 0

Isao Yamamoto ↔ Kiyoshi Nara (1 patent)Isao Yamamoto ↔ Kazuyoshi Katamoto (1 patent)Isao Yamamoto ↔ Hiroshi Yanome (1 patent)Isao Yamamoto ↔ Sadao Ohkido (1 patent)Isao YamamotoIsao Yamamoto (1 patent)Kiyoshi NaraKiyoshi Nara (7 patents)Kazuyoshi KatamotoKazuyoshi Katamoto (4 patents)Hiroshi YanomeHiroshi Yanome (1 patent)Sadao OhkidoSadao Ohkido (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takeda Chemical Industries, Inc. (1 from 1,858 patents)


1 patent:

1. 4455306 - Method for concentrating .beta.-lactam antibiotic solution

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12/19/2025
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