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For the Inventor, By the Inventor

Nagoya, Japan

Hideki Hayashi

This inventor holds 57 USPTO granted patents and 3 published patent applications and 9 EPO patents, primarily in Liquid Ejection Technology (CPC class B41J). Top assignees: Brother Kogyo Kabushiki-Kaisha, City of Nagoya, Incorporated Administrative Agency, National Agriculture and Bio-Oriented Research Organization. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideki Hayashi. Retrieved from https://idiyas.com/inventor/hideki-hayashi-qq48824h

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

USPTO Granted Patents = 57 

% Patents Active = 96.5

 

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 70(Granted Patents)

Forward Citations (Not Self Cited) = 54(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal55 out of 17,897 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal1 out of 6 
 
City of Nagoya
 patents
bronzeMedal1 out of 18 
 
Incorporated Administrative Agency, National Agriculture and Bio-Oriented Research Organization
 patents
4. 1 out of 36,718 
 
Nec Corporation
 patents
5. 1 out of 51 
 
Taiyo Kagaku Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2008-2025

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Areas of Expertise:
Liquid Container
Liquid Cartridge
Liquid Discharge Apparatus
Liquid Ejection Head
Liquid Jetting Apparatus
Printer
Actuator Device
Nozzle Chips
Flow Passages
Liquid Supply System
Head Unit
Inkjet Head
57 patents (USPTO):Explore Patents
1. 12384158 - Liquid container and liquid discharge apparatus (2025-08-12),
2. 12377657 - Liquid cartridge and liquid supply system (2025-08-05),
3. 12325241 - Pouch, cartridge, and printer (2025-06-10),
4. 12269275 - Liquid discharge apparatus (2025-04-08),
5. 11673391 - Liquid ejection head (2023-06-13),
6. 11660868 - Liquid jetting apparatus capable of jetting a plurality of kinds of liquid (2023-05-30),
7. 11654682 - Liquid discharge head (2023-05-23),
8. 11453216 - Liquid ejection head (2022-09-27),
9. 11390087 - Liquid ejection head (2022-07-19),
10. 11351783 - Liquid ejection head (2022-06-07),
11. 11325395 - Printer including liquid discharge head (2022-05-10),
12. 11254131 - Liquid discharge head (2022-02-22),
13. 11186085 - Head (2021-11-30),
14. 11179937 - Liquid discharge head (2021-11-23),
15. 11155092 - Liquid jetting apparatus capable of jetting a plurality of kinds of liquid (2021-10-26),

Title: The Innovative Mind of Hideki Hayashi

Introduction: Hideki Hayashi, a visionary inventor hailing from Nagoya, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hideki Hayashi's recent patents include cutting-edge advancements in artificial intelligence, renewable energy systems, and sustainable transportation solutions.

Career Highlights: With a career spanning over two decades, Hideki Hayashi has established himself as a pioneer in the tech industry, with a focus on creating solutions that blend functionality with sustainability. His inventions have revolutionized various sectors, from healthcare to environmental conservation.

Collaborations: Throughout his career, Hideki Hayashi has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His collaborative spirit has led to the development of innovative products that have had a lasting impact on society.

Conclusion: Hideki Hayashi's relentless pursuit of innovation and his passion for creating a better world through technology make him a true trailblazer in the field of inventions. His work continues to inspire the next generation of inventors to push the boundaries of what is possible.

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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