Yamatokoriyama, Japan

Toyotsugu Hatagawa

This inventor holds 5 USPTO granted patents, plus 1 CIPO patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1976-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyotsugu Hatagawa. Retrieved from https://idiyas.com/inventor/toyotsugu-hatagawa

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 = 2.4

ph-index = 5

Forward Citations = 85(Granted Patents)


Location History:

  • Yamatokoriyama, JA (1976)
  • Yamatokoriyama, JP (1985 - 1994)

Company Filing History:


Years Active: 1976-1994

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5 patents (USPTO):Explore Patents

Title: Toyotsugu Hatagawa: Innovator in Heating Cooking Devices

Introduction

Toyotsugu Hatagawa is a notable inventor based in Yamatokoriyama, Japan. He has made significant contributions to the field of cooking technology, particularly in the development of innovative heating devices. With a total of 5 patents to his name, Hatagawa continues to push the boundaries of culinary technology.

Latest Patents

One of Hatagawa's latest inventions is a heating cooking device that features a wave guide and a feeder port. This device includes a heating chamber designed for heating objects, a high-frequency oscillator that generates electromagnetic waves, and a wave stirrer fan that helps distribute these waves evenly within the chamber. The design allows for efficient heating, ensuring that food is cooked thoroughly. Another notable patent is an oven equipped with an exhaust opening that collects vapors to control the cooking material. This apparatus utilizes a vapor sensor to monitor the state of heating, allowing for automatic adjustments to the heating operation. The innovative design ensures that the vapor is sensed quickly and accurately, enhancing the cooking process.

Career Highlights

Hatagawa is currently employed at Matsushita Electric Industrial Co., Ltd., a company renowned for its advancements in electrical and electronic products. His work at this esteemed organization has allowed him to collaborate on various projects that focus on improving cooking technologies.

Collaborations

Some of Hatagawa's coworkers include Isao Kasai and Shigeki Ueda. Their collaborative efforts have contributed to the development of cutting-edge cooking devices that enhance user experience and efficiency.

Conclusion

Toyotsugu Hatagawa is a prominent figure in the realm of cooking technology, with a focus on innovative heating devices. His patents reflect a commitment to improving culinary experiences through advanced technology. His contributions continue to influence the 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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