Growing community of inventors

Tokyo, Japan

Ryuichi Hayashi

Average Co-Inventor Count = 2.30

ph-index = 3

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 = 22

Ryuichi HayashiReiko Koshida (7 patents)Ryuichi HayashiYoshiteru Hatase (5 patents)Ryuichi HayashiHiroyuki Sumi (3 patents)Ryuichi HayashiChristian Leboeuf (1 patent)Ryuichi HayashiRyuichi Hayashi (9 patents)Reiko KoshidaReiko Koshida (11 patents)Yoshiteru HataseYoshiteru Hatase (10 patents)Hiroyuki SumiHiroyuki Sumi (6 patents)Christian LeboeufChristian Leboeuf (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (9 from 16,338 patents)

2. Orient Chemical Industries, Ltd. (3 from 128 patents)


9 patents:

1. 7714045 - Colored thermoplastic resin compositions for laser welding, anthraquinone colorants therefor and molded product therfrom

2. 7513947 - Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom

3. 7485675 - Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom

4. 7456238 - Fabricated resin products for laser welding and including transmitting and absorbing black colorants, and colored resin compositions therefor

5. 7053140 - Colored thermoplastic resin compositions for laser welding, colorants therefor of mixtures of amine salts of anthraquinone and monoazo complex dyes, and molded product therefrom

6. 6140459 - Semi-crystalline, semi-aromatic copolymers with superior post-molding

7. 5856428 - Crystalline aromatic polyamide resin composition

8. 5770679 - Polyamide resin compositions and production process

9. 5750639 - Polyamide resin composition and molding thereof

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idiyas.com
as of
12/6/2025
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