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For the Inventor, By the Inventor

Osaka, Japan

Akihiko Hayashi

This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignee: Orient Chemical Industries, Ltd.. Active years: 1998-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiko Hayashi. Retrieved from https://idiyas.com/inventor/akihiko-hayashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6

% Patents Active = 100.0


Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Osaka, JP (1998 - 2002)
  • Neyagawa, JP (2013)

Company Filing History:

goldMedal6 out of 128 
 
Orient Chemical Industries, Ltd.
 patents

Years Active: 1998-2013

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6 patents (USPTO):Explore Patents
1. 8470912 - Granulated colorant and related art (2013-06-25),
2. 6399681 - Colored thermoplastic resin composition and related arts thereof (2002-06-04),
3. 6395809 - Nigrosine compound, resin composition, molded product, crystallization temperature lowering, fluidity improving and surface gloss improving method (2002-05-28),
4. 5965653 - Polyethylene terephthalate resin composition, molded product and resin (1999-10-12),
5. 5827911 - Colored thermoplastic resin composition (1998-10-27),
6. 5804638 - Black polyamide resin composition (1998-09-08),

Title: Akihiko Hayashi: Innovator in Colorant Technology

Introduction

Akihiko Hayashi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of colorant technology, holding a total of 6 patents. His work focuses on developing innovative solutions for colorants used in various applications.

Latest Patents

Hayashi's latest patents include a granulated colorant and related art. This granulated colorant is a product of a powdery nigrosine dye, characterized by a bulk density of 0.4 to 0.7 g/ml and a hardness of 1 to 20 N. Additionally, he has developed a high-concentration master batch that blends a granulated colorant with a thermoplastic resin, comprising 25 to 100 parts by weight of a nigrosine dye in the granulated colorant per 100 parts by weight of the thermoplastic resin. Another notable patent involves a colored composition that includes either the granulated colorant or the high-concentration master batch combined with a thermoplastic resin or thermoplastic elastomer. Furthermore, he has worked on colored thermoplastic resin compositions and related arts.

Career Highlights

Hayashi is associated with Orient Chemical Industries, Ltd., where he continues to innovate in the field of colorants. His expertise and dedication have positioned him as a key figure in the industry.

Collaborations

Some of his notable coworkers include Masataka Nishikawa and Tohru Turuhara, who have collaborated with him on various projects.

Conclusion

Akihiko Hayashi's contributions to colorant technology through his patents and work at Orient Chemical Industries, Ltd. highlight his role as an influential inventor in this field. His innovative approaches continue to shape the future of colorant applications.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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