Tokyo, Japan

Sigeru Hasegawa

This inventor holds 7 USPTO granted patents. Top assignee: Teac Corporation. Active years: 1984-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigeru Hasegawa. Retrieved from https://idiyas.com/inventor/sigeru-hasegawa

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 = 4.1

ph-index = 5

Forward Citations = 83(Granted Patents)


Location History:

  • Musashino, JP (1984)
  • Kodaira, JP (1987)
  • Tokyo, JP (1988 - 1989)

Company Filing History:


Years Active: 1984-1989

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7 patents (USPTO):Explore Patents

Title: The Innovative Mind of Sigeru Hasegawa

Introduction

Sigeru Hasegawa is a notable inventor based in Tokyo, Japan, who has contributed significantly to the field of audio technology. With a total of seven patents to his name, he has displayed an exceptional ability to innovate within the industry. He is currently employed at Teac Corporation, where he continues to advance the way we experience sound.

Latest Patents

Hasegawa's latest patents reflect his expertise in audio devices. One of his notable inventions is the compact disc player, which revolutionized the way music is played and enjoyed. Additionally, he developed a combined compact disc player and tape recorder, further enhancing the versatility of playback technologies. These innovations have made significant impacts on consumer electronics.

Career Highlights

Throughout his career, Sigeru Hasegawa has established himself as a key player in the design and development of audio equipment. His work at Teac Corporation has placed him on the forefront of innovation, allowing him to explore new technological advancements and solidify his reputation as a skilled inventor.

Collaborations

Hasegawa's journey has been bolstered by collaborations with talented colleagues such as Haruki Takita and Masafumi Itoh. Working together, they have shared insights and expertise that have led to groundbreaking innovations at Teac Corporation, illustrating the power of teamwork in advancing technology.

Conclusion

In summary, Sigeru Hasegawa is an influential inventor whose work continues to shape the audio technology landscape. His numerous patents and collaborative efforts have not only contributed to the success of Teac Corporation but have also paved the way for future innovations in the industry.

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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