Sagamihara, Japan

Hiroshi Matsumoto

This inventor holds 24 USPTO granted patents and 2 EPO patents, primarily in Image Processing Technology. Top assignees: Tokyo Shibaura Denki Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Hitachi Chubu Software, Ltd.. Active years: 1982-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Matsumoto. Retrieved from https://idiyas.com/inventor/hiroshi-matsumoto-lle5ra2a

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

Calculating rank

% Patents Active = 83.3


Average Co-Inventor Count = 2.4

ph-index = 12

Forward Citations = 631(Granted Patents)


Location History:

  • Yokohama, JP (1982 - 1991)
  • Sagamihara, JP (1993 - 1994)
  • Fujisawa, JP (1993 - 1995)
  • Kanagawa-ken, JP (2008)
  • Hyogo, JP (1990 - 2013)

Company Filing History:


Years Active: 1982-2013

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Areas of Expertise:
Syringe Holder
Injection Device
Image Forming Apparatus
Toner Cartridge
Digital Document Processing
Group Cipher Communication
Cryptographic Method
Semiconductor Device
Display Device
Charging Control
Document Reproduction
Hybrid Integrated Circuit
24 patents (USPTO):Explore Patents

Title: Innovations of Hiroshi Matsumoto: A Pioneer in Injection Devices

Introduction

Hiroshi Matsumoto, an accomplished inventor based in Sagamihara, Japan, holds an impressive portfolio of 24 patents. His contributions to the field have notably advanced medical technology, particularly in injection devices and syringe holding mechanisms.

Latest Patents

Among his latest innovations are a syringe holder and an injection device designed for the luer lock system. The syringe holder is engineered to securely hold an inserted syringe with a cap attached to the male luer at the tip. It features a cylindrical barrel portion with open distal and proximal ends, a finger rest for user convenience, and a stopper means that abuts the outer edge of the syringe's distal end. The device is enhanced by a female-threaded sleeve that surrounds the syringe tip and cap, along with a proximal end cap designed for ease of use.

The injection device itself is a sophisticated apparatus intended for two-compartment syringes, enabling the mixing of pharmaceutical agents prior to injection. It consists of a cylindrical barrel portion for easy insertion of the syringe, a piston rod that advances the slidable rear wall, and a front spring that assists with the piston rod's movement. Additionally, it includes a sleeve secured through a screw engagement with the barrel's rear part that ensures precise control of the injection process.

Career Highlights

Matsumoto's career has been marked by significant positions within reputable companies, including Tokyo Shibaura Denki Kabushiki Kaisha and Toshiba Corporation. His tenure at these organizations provided a solid foundation for his inventive work and the development of his notable patents.

Collaborations

Throughout his career, Matsumoto has collaborated with esteemed professionals such as Kazuo Takaragi and Tomoki Ogura. These partnerships have played a vital role in the innovative processes behind his patents, showcasing the importance of teamwork in the advancement of technology.

Conclusion

With 24 patents to his name, Hiroshi Matsumoto stands as a testament to innovation in the fields of medicine and technology. His latest inventions, particularly in syringe holding and injection devices, reflect both his dedication to improving healthcare and his ability to combine practical design with cutting-edge technology. As we move forward, the impact of Matsumoto's work will undoubtedly continue to influence the medical industry and inspire future innovations.

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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