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Ryuichi Hayashi

USPTO Granted Patents = 9 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 22(Granted Patents)

Company Filing History:

9 out of 16,338

E.i. Dupont De Nemours and Company

Orient Chemical Industries, Ltd.

where one patent can have more than one assignee

Years Active: 1998-2010

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7714045 - Colored thermoplastic resin compositions for laser welding, anthraquinone colorants therefor and molded product therfrom (2010-05-11),

2. 7513947 - Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom (2009-04-07),

3. 7485675 - Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom (2009-02-03),

4. 7456238 - Fabricated resin products for laser welding and including transmitting and absorbing black colorants, and colored resin compositions therefor (2008-11-25),

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 (2006-05-30),

6. 6140459 - Semi-crystalline, semi-aromatic copolymers with superior post-molding (2000-10-31),

7. 5856428 - Crystalline aromatic polyamide resin composition (1999-01-05),

8. 5770679 - Polyamide resin compositions and production process (1998-06-23),

9. 5750639 - Polyamide resin composition and molding thereof (1998-05-12),

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