Satoshi Hachiya

This inventor holds 28 USPTO granted patents, primarily in Organic Electroluminescence. Top assignees: Idemitsu Kosan Company, Limited, Techno Network Shikoku Co., Ltd.. Active years: 1989-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Hachiya. Retrieved from https://idiyas.com/inventor/satoshi-hachiya

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

USPTO Granted Patents = 28

% Patents Active = 89.3

Average Co-Inventor Count = 3.0

ph-index = 9

Forward Citations = 220(Granted Patents)

Location History:

Kimitsu, JP (1989 - 1994)
Chiba, JP (1990 - 2010)
Sodegaura, JP (1989 - 2022)

Company Filing History:

28 out of 2,283

Idemitsu Kosan Company, Limited

patents

1 out of 8

Techno Network Shikoku Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1989-2022

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Areas of Expertise:

Electroless Plating

Organic Electroluminescence

Fluorene Derivative

Color-Changing Films

Liquid Crystal Display

Ferroelectric Liquid Crystal

High Polymer Composition

Liquid-Crystalline Polymer

Catalyst Production

Heavy Metal Disposal

Color Conversion Substrate

Optical Device

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11421115 - Composition for electroless plating underlying membrane (2022-08-23),

2. 8013160 - Fluorene-based derivative and organic electroluminescence device employing the same (2011-09-06),

3. 7781628 - Fluorene-based derivative and organic electroluminescence device employing the same (2010-08-24),

4. 7683225 - Fluorene-based derivative and organic electroluminescence device employing the same (2010-03-23),

5. 7420065 - Hetero-polycyclic compounds, and coloring matters, pigments, dyes, color-changing material compositions, and color-changing films, made by using the compounds (2008-09-02),

6. 7393618 - Composition for color converting member and production method of color conversion substrate using the same (2008-07-01),

7. 7221090 - Blue organic electroluminescent device and display using same (2007-05-22),

8. 6780386 - Carbon monoxide oxidation catalyst, and method for production of hydrogen-containing gas (2004-08-24),

9. 6638204 - Method of disposal of waste containing heavy metal (2003-10-28),

10. 5686021 - Liquid crystal display device, methods of producing and driving the (1997-11-11),

11. 5437816 - High polymer and ferroelectric liquid crystal composition utilizing same (1995-08-01),

12. 5425897 - Liquid-crystalline copolymer, process for the preparation of the same, (1995-06-20),

13. 5380915 - Liquid-crystalline copolymer, process for the preparation of the same, (1995-01-10),

14. 5350538 - High polymer, ferroelectric liquid-crystalline composition containing (1994-09-27),

15. 5336435 - High polymer and ferroelectric liquid crystal composition utilizing same (1994-08-09),

Title: Innovations by Satoshi Hachiya

Introduction

Satoshi Hachiya, located in Sodegaura, Japan, is a prominent inventor known for his significant contributions to the field of materials science and electroluminescence. With a remarkable record of 28 patents, his work reflects a commitment to advancing technology and innovation within his industry.

Latest Patents

Hachiya's latest patents showcase his innovative approach to materials and devices. One notable patent is for a "Composition for Electroless Plating Underlying Membrane." This composition includes a conductive polymer, several resins, such as polyester polyol resin and polyether polyol resin, and a polyisocyanate compound. This technology contributes to advancements in electroless plating techniques.

Another significant patent from Hachiya is the "Fluorene-Based Derivative and Organic Electroluminescence Device Employing the Same." This invention centers around a fluorene-based derivative that enhances the structure of organic electroluminescence devices. The device features an organic thin film layer, which consists of at least a light-emitting layer sandwiched between a cathode and an anode. The incorporation of this specific fluorene-based derivative leads to devices with high luminous efficiency, representing a leap forward in organic electronics.

Career Highlights

Over the years, Hachiya has built a strong career working with reputable companies. He has been associated with Idemitsu Kosan Company, Limited and Idemitsu Kosan Co., Ltd., where he engaged in groundbreaking research and development, fostering innovation within the industry.

Collaborations

Satoshi Hachiya has collaborated with various talented individuals during his career, two notable coworkers include Hiroyuki Endo and Kazuharu Morita. Their combined expertise has significantly contributed to the successes and advancements in Hachiya's inventions.

Conclusion

Satoshi Hachiya's 28 patents mark him as a notable figure in the realm of inventions, particularly in materials science and electroluminescence technology. His innovative approaches, supported by collaborations and years of experience in esteemed companies, continue to pave the way for advancements in the field.

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]