Growing community of inventors

Chiba, Japan

Yoko Yoshikawa

Average Co-Inventor Count = 3.00

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

Yoko YoshikawaNamiko Shiohata (3 patents)Yoko YoshikawaYoko Yoshikawa (3 patents)Namiko ShiohataNamiko Shiohata (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nisshinbo Industries, Inc. (2 from 423 patents)

2. Nisshingo Industries, Inc. (1 from 1 patent)


3 patents:

1. 7176330 - Fluorescent group-containing carbodiimide compound precursor, fluorescent group-containing carbodiimide compound and methods for producing them

2. 7135293 - Method of detecting a nucleic acid using a fluorescent group-containing carbodiimide as a label

3. 6642380 - Fluorescent group-containing carbodiimide compound precursor, fluorescent group-containing carbodiimide compound and methods for producing them

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as of
12/18/2025
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