Growing community of inventors

Settsu, Japan

Katsuyuki Yokokawa

Average Co-Inventor Count = 4.00

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 = 25

Katsuyuki YokokawaNobuo Tanaka (1 patent)Katsuyuki YokokawaSeiji Ohtani (1 patent)Katsuyuki YokokawaTeruo Matsuda (1 patent)Katsuyuki YokokawaKatsuyuki Yokokawa (1 patent)Nobuo TanakaNobuo Tanaka (14 patents)Seiji OhtaniSeiji Ohtani (8 patents)Teruo MatsudaTeruo Matsuda (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Arte Corporation (1 from 17 patents)


1 patent:

1. 5891087 - Mixing syringe

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as of
12/15/2025
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