Saitama, Japan

Kazumi Otsubo

This inventor holds 4 USPTO granted patents. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Japan Aviation Electronics Industry, Limited. Active years: 1988-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumi Otsubo. Retrieved from https://idiyas.com/inventor/kazumi-otsubo

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 = 1.1

ph-index = 4

Forward Citations = 47(Granted Patents)


Location History:

  • Utsunomiya, JP (1988)
  • Saitama, JP (1989 - 1990)

Company Filing History:


Years Active: 1988-1990

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4 patents (USPTO):Explore Patents

Title: Kazumi Otsubo: Innovator in Deceleration Switch Technology

Introduction

Kazumi Otsubo is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of automotive safety through his innovative designs. With a total of 4 patents, Otsubo has focused on developing advanced deceleration switch technologies that enhance vehicle safety.

Latest Patents

One of Otsubo's latest inventions is the gas damped deceleration switch. This device is designed to detect deceleration that exceeds a certain threshold, which may indicate a vehicle crash. The switch comprises a pair of electrodes with internal and external ends, a contact set connected to the internal ends, and a mass that moves under inertia when deceleration occurs. The circuit checks the electric conductance between the electrodes, allowing for continuous monitoring of the switch's reliability. Another version of the gas damped deceleration switch includes a circuit that monitors the electric conductivity of a spring member, ensuring that any break in the spring or contact set can be detected. This innovation significantly improves the reliability of deceleration switches, which are crucial for vehicle safety.

Career Highlights

Kazumi Otsubo has worked with prominent companies in the automotive and electronics industries. He has been associated with Honda and Japan Aviation Electronics Industry, Limited, where he contributed to the development of safety technologies. His work has been instrumental in advancing the reliability of automotive components.

Collaborations

Otsubo has collaborated with various professionals in his field, including Isao Iimori, who has also contributed to innovations in automotive technology.

Conclusion

Kazumi Otsubo's contributions to deceleration switch technology have made a significant impact on vehicle safety. His innovative designs and patents reflect his commitment to enhancing automotive safety standards.

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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