Growing community of inventors

Nishinomiya, Japan

Yasushi Hayasaki

Average Co-Inventor Count = 6.00

ph-index = 2

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 = 7

Yasushi Hayasaki ↔ Shingo Yamazaki (2 patents)Yasushi Hayasaki ↔ Shigeyuki Takase (2 patents)Yasushi Hayasaki ↔ Rikizo Kobashi (2 patents)Yasushi Hayasaki ↔ Toyohisa Kobayashi (2 patents)Yasushi Hayasaki ↔ Hiroyuki Enomoto (2 patents)Yasushi Hayasaki ↔ Mitsuta Shibata (1 patent)Yasushi Hayasaki ↔ Yoshio Nakano (1 patent)Yasushi Hayasaki ↔ Kazuko Shibata (1 patent)Yasushi HayasakiYasushi Hayasaki (2 patents)Shingo YamazakiShingo Yamazaki (6 patents)Shigeyuki TakaseShigeyuki Takase (3 patents)Rikizo KobashiRikizo Kobashi (3 patents)Toyohisa KobayashiToyohisa Kobayashi (2 patents)Hiroyuki EnomotoHiroyuki Enomoto (2 patents)Mitsuta ShibataMitsuta Shibata (1 patent)Yoshio NakanoYoshio Nakano (1 patent)Kazuko ShibataKazuko Shibata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ppg Industries, Inc. (2 from 2,825 patents)

2. Nippon Oil Fats Co., Ltd. (2 from 297 patents)

3. Ykk Corporation (1,443 patents)


2 patents:

1. 5028660 - Method for modifying the surface of polycarbonate resin

2. 4929685 - Method for modifying the surface of polycarbonate resin

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as of
12/18/2025
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