Sakurai, Japan

Hirotsugu Matoba

This inventor holds 34 USPTO granted patents, plus 2 CIPO patents, primarily in Inkjet Technology. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1991-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotsugu Matoba. Retrieved from https://idiyas.com/inventor/hirotsugu-matoba

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

Calculating rank

% Patents Active = 82.4


Average Co-Inventor Count = 4.3

ph-index = 14

Forward Citations = 1,210(Granted Patents)


Location History:

  • Sakurai, US (1991)
  • Nara, JP (1992 - 1998)
  • Sakurai, JP (1992 - 2012)
  • Osaka, JP (2014 - 2016)

Company Filing History:


Years Active: 1991-2016

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Areas of Expertise:
Ozone Liquid Generator
Inkjet Head
Deformable Mirror
Optical Recording
Thermal Head
Recording Device
Microstructure Formation
Optical Card
Data Retrieval
Ink Discharge
Spacer Particles
Optical Disk Drive
34 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Hirotsugu Matoba

Introduction

Hirotsugu Matoba is a notable inventor based in Sakurai, Japan, recognized for his significant contributions to technology and innovation. With an impressive portfolio of 34 patents, Matoba has demonstrated expertise in developing advanced solutions that address complex challenges in various fields.

Latest Patents

Among his latest innovations are two groundbreaking patents: the "Ozone Liquid Generator and Method of Generating Ozone Liquid" and the "Light Source Module and Electronic Apparatus Provided with Same." The ozone generator utilizes a gas-liquid mixer to efficiently produce ozone liquid, optimizing the flow and storage of the liquid while ensuring precise control over its volume.

In his second patent, the light source module features a light guide plate equipped with a strategic through hole for positioning an LED light source. This design effectively mitigates warping and cracking issues that can arise from thermal expansion, enhancing the durability and functionality of electronic devices sensitive to such changes.

Career Highlights

Hirotsugu Matoba is currently affiliated with Sharp Corporation, a premier company renowned for its innovative technologies and products. His role at Sharp has allowed him to collaborate with leading experts in the field, driving forward the company’s mission of innovation and excellence in technology.

Collaborations

Throughout his career, Matoba has worked alongside esteemed colleagues, including Susumu Hirata and Yorishige Ishii. These collaborations have played a significant role in fostering a creative environment that encourages the sharing of ideas and the development of cutting-edge technologies.

Conclusion

Hirotsugu Matoba’s contributions to technology and innovation through his numerous patents exemplify his commitment to advancing scientific knowledge and practical applications. His work at Sharp Corporation continues to influence the industry, positioning him as a key figure in the landscape of modern invention.

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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