Tokyo, Japan

Sadao Mizushima

This inventor holds 6 USPTO granted patents. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, The Ohtsu Tire & Rubber Co., Ltd.. Active years: 1983-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadao Mizushima. Retrieved from https://idiyas.com/inventor/sadao-mizushima

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 100(Granted Patents)


Location History:

  • Tokyo, JP (1983 - 1988)
  • Saitama, JP (1989)

Company Filing History:


Years Active: 1983-1989

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6 patents (USPTO):Explore Patents

Title: The Innovative Mind of Sadao Mizushima

Introduction: Sadao Mizushima, a prominent inventor based in Tokyo, Japan, is known for his remarkable contributions to the field of portable working apparatuses. With six patents to his name, he has demonstrated remarkable ingenuity and dedication to his craft. His inventions are characterized by a keen focus on functionality and user convenience.

Latest Patents: Among Mizushima's latest innovations is the "Engine-powered portable working apparatus." This apparatus features a soundproof casing designed to accommodate a main unit with an engine and a rotary working machine. The design includes a carrying handle formed from two integrally designed casing halves that enhance portability. Additionally, the apparatus incorporates an anti-vibratory member that securely holds the main unit, ensuring smooth operation.

Career Highlights: Throughout his career, Sadao Mizushima has made significant strides in the engineering and invention sectors. He has worked at reputable companies such as Honda and The Ohtsu Tire & Rubber Co., Ltd., where he significantly contributed to the development of various technologies and products. His innovative spirit has earned him a respected position in the field, as evidenced by his impressive number of patents.

Collaborations: Collaboration has played a crucial role in Mizushima's inventive process. He has worked alongside talented coworkers, including Toshio Tsuchiya and Akito Enokimoto. Their combined efforts have contributed to the successful realization of innovative projects and the advancement of technology in their respective fields.

Conclusion: Sadao Mizushima's work stands as a testament to the power of innovation and collaboration in the realm of inventions. With his innovative designs and commitment to enhancing functionality, Mizushima continues to inspire future inventors and contribute to advancements in technology. His patents reflect a dedication to improving tools and equipment that positively impact various industries.

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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