Yokohama, Japan

Tohru Kanbara

This inventor holds 2 USPTO granted patents. Top assignee: Asahi Glass Company, Limited. Active years: 1977-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Kanbara. Retrieved from https://idiyas.com/inventor/tohru-kanbara

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 = 3.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Yokohama, JP (1978)

Company Filing History:


Years Active: 1977-1978

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2 patents (USPTO):Explore Patents

Title: Tohru Kanbara: Innovator in Ultrasonic Delay Line Technology

Introduction

Tohru Kanbara is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of glass for ultrasonic applications. With a total of 2 patents, Kanbara's work has advanced the technology used in video recording and playback devices.

Latest Patents

Kanbara's latest patents include innovations in glass suitable for use in ultrasonic delay lines. This specific glass composition comprises components by weight, including SiO₂ 42 to 27% and PbO 71 to 52%. The glass is designed to have a low rate of shear wave propagation, making it ideal for use in dropout compensator circuits of Video Tape Recorders and Video Disk Players. Another patent focuses on a multiple reflection type solid ultrasonic delay line, which features a thin flat plate with input and output transducers. This design effectively attenuates undesirable signals, enhancing the performance of ultrasonic devices.

Career Highlights

Tohru Kanbara is associated with Asahi Glass Company, Limited, where he has applied his expertise in materials science to develop innovative solutions. His work has been instrumental in improving the functionality of ultrasonic delay lines, which are critical in various electronic applications.

Collaborations

Kanbara has collaborated with notable colleagues such as Michihiko Uemura and Nobuhiro Yokoo. Their combined efforts have contributed to advancements in the field of ultrasonic technology.

Conclusion

Tohru Kanbara's contributions to the development of ultrasonic delay line technology highlight his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to improving electronic devices, making a lasting impact 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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