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For the Inventor, By the Inventor

Osaka, Japan

Yasuhiro Matsuo

This inventor holds 6 USPTO granted patents. Top assignee: Mita Industrial Co., Ltd.. Active years: 1990-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Matsuo. Retrieved from https://idiyas.com/inventor/yasuhiro-matsuo-cfdolg3n

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 7.7

ph-index = 4

Forward Citations = 60(Granted Patents)


Company Filing History:

goldMedal6 out of 1,344 
 
Mita Industrial Co., Ltd.
 patents

Years Active: 1990-1994

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6 patents (USPTO):Explore Patents
1. 5363177 - Method of stripping a sealing member from a toner cartridge (1994-11-08),
2. 5337125 - Toner feeding device (1994-08-09),
3. 5294963 - Toner cartridge having opening for discharging toner sealed with sealing (1994-03-15),
4. 5177533 - Image forming apparatus (1993-01-05),
5. 5136341 - Image forming apparatus having means for coordinating the input and (1992-08-04),
6. 4975740 - Page entering apparatus for electrophotographic copying machine (1990-12-04),

Title: Yasuhiro Matsuo: Innovator in Toner Cartridge Technology

Introduction

Yasuhiro Matsuo is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of toner cartridge technology, holding a total of 6 patents. His innovative designs focus on improving the efficiency and functionality of toner cartridges, which are essential components in printing technology.

Latest Patents

Matsuo's latest patents include a method of stripping a sealing member from a toner cartridge. This invention involves a unique mechanism where an opening for discharging toner is formed in the lower part of a cartridge body. A shutter mounting body is mounted on this opening, allowing for a first and second shutter to be slidably mounted. The design ensures that when the second shutter is pulled out, the sealing member is effectively stripped while minimizing toner contamination. Another significant patent is a toner feeding device that addresses the issue of toner heap-up in the hopper. This device utilizes a leveling member that operates in conjunction with the cartridge's opening and closing mechanism, ensuring efficient toner feeding without leakage.

Career Highlights

Matsuo is currently employed at Mita Industrial Co., Ltd., where he continues to develop innovative solutions in the printing industry. His work has not only enhanced the functionality of toner cartridges but has also contributed to the overall efficiency of printing processes.

Collaborations

Matsuo has collaborated with several talented individuals in his field, including Shingo Mori and Kuniaki Nakano. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Yasuhiro Matsuo's contributions to toner cartridge technology exemplify the spirit of innovation. His patents reflect a deep understanding of the challenges in the printing industry and a commitment to finding effective solutions. His work continues to influence the field and improve the efficiency of printing technologies.

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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