Chiba, Japan

Kenji Ohara

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1980-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Ohara. Retrieved from https://idiyas.com/inventor/kenji-ohara-vnhtoj2m

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 = 1.3

ph-index = 2

Forward Citations = 19(Granted Patents)


Location History:

  • Funabashi, JP (1980)
  • Chiba, JP (1990)

Company Filing History:


Years Active: 1980-1990

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Kenji Ohara: Innovator in Tape Recording Technology

Introduction

Kenji Ohara is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of tape recording technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

Ohara's latest patents include a mode-change mechanism for tape recording and/or reproducing apparatus and a drive apparatus for tape recorders. The mode-change mechanism simplifies the operation of auto-reverse tape recording devices by utilizing a single partially toothless gear. This gear allows for seamless transitions between various modes, including stop, forward, reverse, fast forward, and rewind. The drive apparatus enhances the functionality of tape recorders by incorporating a magnetic non-contacting coupling, which ensures reliable operation of the idler wheel in response to the drive wheel's rotation.

Career Highlights

Kenji Ohara has dedicated his career to advancing tape recording technology. His work at Sony Corporation has positioned him as a key player in the development of innovative audio devices. His patents reflect a deep understanding of mechanical engineering and user needs in the audio recording industry.

Collaborations

Ohara has collaborated with Hisanori Watanabe, contributing to the advancement of technology within their field. Their partnership has fostered innovation and creativity in the design of tape recording systems.

Conclusion

Kenji Ohara's contributions to tape recording technology through his patents and work at Sony Corporation highlight his role as a significant inventor in the industry. His innovative solutions continue to influence the way audio recording devices operate today.

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]
Loading…