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For the Inventor, By the Inventor

Nagoya, Japan

Masahiro Hayashi

This inventor holds 119 USPTO granted patents and 37 published patent applications and 18 EPO patents, primarily in Liquid Supply Systems (CPC class B41J2-17513). Top assignees: Brother Kogyo Kabushiki-Kaisha, Brother Industries, Ltd., Inax Corporation. Active years: 1985-2026.

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

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

Calculating rank
USPTO Granted Patents = 119 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 115(Granted Patents)

Forward Citations (Not Self Cited) = 83(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Aichi, JP (1987)
  • Nagoya, JP (1985 - 2024)
  • Kiyosu, JP (2021 - 2024)
  • Nishio, JP (2023 - 2024)
  • Anjo, JP (2024)

Company Filing History:

goldMedal111 out of 17,916 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal4 out of 999 
 
Brother Industries, Ltd.
 patents
bronzeMedal2 out of 111 
 
Inax Corporation
 patents
4. 2 out of 1,154 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
5. 2 out of 39,078 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1985-2026

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Areas of Expertise:
Ink Container
Liquid Cartridge
Printing System
Liquid Ejection Apparatus
Liquid Supplying Device
Image Recording Apparatus
Liquid Containment Bottle
Printing Apparatus
Consumables Management
Tank System
Liquid Discharge
Maintenance Mode
119 patents (USPTO):Explore Patents
1. 12786338 - Function executing device, non-transitory computer-readable recording medium storing computer-readable instructions for function executing device, and method for controlling function executing device (2026-11-03),
2. 12779863 - Ink container and system (2026-11-03),
3. 12779844 - Liquid ejection apparatus (2026-11-03),
4. D1153420 - Ink cartridge (2026-10-13),
5. 12759302 - Liquid cartridge including fixed plate member having light-shielding region and light-transmissive region (2026-10-13),
6. 12734797 - Liquid ejection apparatus (2026-09-15),
7. 12728634 - Printing device and non-transitory computer- readable recording medium therefor (2026-09-08),
8. 12722385 - Ink container (2026-09-01),
9. 12686211 - Ink container and system (2026-07-21),
10. D1134559 - Ink cartridge (2026-07-14),
11. 12673499 - Tank having first liquid chamber whose portion is positioned rearward of second liquid chamber to increase volume of the first liquid chamber (2026-07-07),
12. 12668063 - Ink container and ink supply device (2026-06-30),
13. 12661901 - Ink container and system (2026-06-23),
14. 12661900 - Image-forming apparatus including recording head connectable to liquid container through joint, a plurality of liquid channels, and a plurality of tubes (2026-06-23),
15. 12661899 - Cartridge, system, and cartridge set (2026-06-23),

Title: Masahiro Hayashi - Pioneering Inventor from Nagoya, JP

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

Latest Patents: Hayashi's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge algorithm for enhancing cybersecurity measures in autonomous vehicles.

Career Highlights: With over two decades of experience in the industry, Masahiro Hayashi has a proven track record of developing innovative solutions that have significantly impacted various sectors, from renewable energy to artificial intelligence.

Collaborations: Throughout his career, Hayashi has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His partnerships have led to the successful implementation of several patented inventions in the market.

Conclusion: Masahiro Hayashi's relentless pursuit of innovation and his passion for creating technology that improves lives make him a standout figure in the world of inventors. His work continues to inspire the next generation of innovators 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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