Chiba, Japan

Kenji Ohhara

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1985-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Ohhara. Retrieved from https://idiyas.com/inventor/kenji-ohhara-b4sl3p1f

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 = 5.5

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1985-1986

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2 patents (USPTO):Explore Patents

Title: Kenji Ohhara: Innovator in Tape Recorder Technology

Introduction

Kenji Ohhara is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of tape recording technology, holding a total of 2 patents.

Latest Patents

Ohhara's latest patents include a mode changing apparatus for a tape recorder. This innovative device features a rotatable changing gear with a toothed periphery and a toothless gap. It incorporates a magnet that is rotatably coupled with the changing gear, along with a driving gear that engages the toothed periphery. The apparatus is designed to provide a stabilizing effect, ensuring that the changing gear remains in its initial position until activated. Another patent describes a feather-touch mode changer that allows for multiple modes of operation in tape recording and reproducing apparatus. This device includes two changing mechanisms, each with a rotatable changing gear and a selectively actuable trigger, enabling various modes such as FWD, FF, REW, PAUSE, and ADS.

Career Highlights

Kenji Ohhara is associated with Sony Corporation, a leading company in the electronics industry. His work has contributed to advancements in tape recording technology, enhancing user experience and functionality.

Collaborations

Ohhara has collaborated with notable coworkers, including Masao Ri and Yoshinori Yamamoto, who have also contributed to innovations in the field.

Conclusion

Kenji Ohhara's contributions to tape recorder technology through his patents and work at Sony Corporation highlight his role as an influential inventor in the industry. His innovative designs continue to impact the way tape recording and reproducing devices operate.

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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