Tokyo, Japan

Ryoichi Matsumoto

This inventor holds 20 USPTO granted patents and 4 published patent applications and 6 EPO patents, primarily in Liquid Crystal Technology. Top assignees: Canon Kabushiki Kaisha, Oki Electric Industry Co., Ltd., Dsg International Limited. Active years: 1992-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Matsumoto. Retrieved from https://idiyas.com/inventor/ryoichi-matsumoto

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

USPTO Granted Patents = 20 

% Patents Active = 50.0

 

Average Co-Inventor Count = 2.6

ph-index = 12

Forward Citations = 730(Granted Patents)


Location History:

  • Meguro-ku, JP (2007 - 2009)
  • Tokyo, JP (1992 - 2012)
  • Kunitachi, JP (2004 - 2015)

Company Filing History:


Years Active: 1992-2026

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Areas of Expertise:
Liquid Crystal Optical Element
Highly Absorbent Composite
Ink Jet Recording Apparatus
Liquid Discharge Head
Ink Tank
Liquid Container
Bi-CMOS Integrated Circuit
Wafer Alignment Marks
Manufacturing Process
Absorbent Sheets
Liquid Feeding System
Contact Structure
20 patents (USPTO):Explore Patents

Title: The Innovative Mind of Ryoichi Matsumoto

Introduction

Ryoichi Matsumoto, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the fields of technology and engineering. With a remarkable portfolio of 16 patents, Matsumoto has demonstrated his dedication to advancing innovation through unique inventions that address real-world problems.

Latest Patents

Among his latest inventions, Matsumoto developed a liquid discharge head featuring resin supply and support members. This invention enhances the connection between the discharge element substrate and the supply member by utilizing a support member composed of a specially formulated mixture that ensures optimal performance. Another noteworthy invention is a liquid storage container designed to maintain a sufficient ink storage space while preventing leakage. This container features a protection member positioned outside a flexible member, ensuring reliability even in the face of external forces during shipping or operation.

Career Highlights

Throughout his career, Matsumoto has been associated with notable companies such as Canon and Oki Electric Industry Co., Ltd. His work at these firms has allowed him to contribute to the evolution of printing and electronic devices, solidifying his reputation as a leading inventor in his field.

Collaborations

Ryoichi Matsumoto has collaborated with talented individuals in the industry, including Ryoji Inoue and Hideki Ogura. These partnerships have enriched his innovative processes and led to the development of several impactful inventions.

Conclusion

Ryoichi Matsumoto's commitment to innovation and his impressive collection of patents highlight his role as a key figure in the advancement of technology. His work continues to inspire future inventors and showcases the importance of creativity in addressing contemporary challenges.

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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