Shiga, Japan

Mitsuo Ishii

This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuo Ishii. Retrieved from https://idiyas.com/inventor/mitsuo-ishii-v3k92fnx

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 197(Granted Patents)


Company Filing History:


Years Active: 1991-1992

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2 patents (USPTO):Explore Patents

Title: Mitsuo Ishii: Innovator in Vacuum Cleaner Technology

Introduction

Mitsuo Ishii is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of vacuum cleaner technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of Ishii's latest patents is a dust detector for vacuum cleaners. This invention includes a light-emitting element that emits a light beam into the dust suction passage and a light-detecting element that detects the light beam. The detector unit measures the amount of dust flowing through the passage based on the intensity of the transmitted light beam. The light-emitting and light-detecting elements are protected by light-transmissive covers that align with the inner wall of the dust suction passage. Another significant patent is a suction head designed for attachment to a vacuum cleaner. This suction head features a first and second portion, with the second portion containing a suction port and a bank covered with a woven cloth that has cut piles, functioning as a brush.

Career Highlights

Mitsuo Ishii has worked at Matsushita Electric Industrial Co., Ltd., where he has been able to apply his inventive skills to develop practical solutions for everyday cleaning challenges. His work has contributed to advancements in vacuum cleaner efficiency and functionality.

Collaborations

Ishii has collaborated with notable colleagues such as Hiroshi Kawakami and Shuji Asada, enhancing the innovative process through teamwork and shared expertise.

Conclusion

Mitsuo Ishii's contributions to vacuum cleaner technology through his patents reflect his dedication to innovation and problem-solving. His work continues to influence the industry and improve user experiences with cleaning devices.

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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