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For the Inventor, By the Inventor

Kanagawa, Japan

Hisanori Watanabe

This inventor holds 5 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1985-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisanori Watanabe. Retrieved from https://idiyas.com/inventor/hisanori-watanabe

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 40(Granted Patents)


Company Filing History:

goldMedal5 out of 58,145 
 
Sony Corporation
 patents

Years Active: 1985-1993

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5 patents (USPTO):Explore Patents
1. 5184262 - Dual motor mode switching mechanism for a recording and/or reproducing (1993-02-02),
2. 4925127 - FF-rew changing mechanism for tape recording and/or reproducing apparatus (1990-05-15),
3. 4896234 - Mode-change mechanism for tape recording and/or reproducing apparatus (1990-01-23),
4. 4568989 - Mode changing apparatus for a tape recorder (1986-02-04),
5. 4547823 - Mode changing apparatus (1985-10-15),

Title: Hisanori Watanabe: Innovator in Tape Recording Technology

Introduction

Hisanori Watanabe is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of tape recording technology, holding a total of 5 patents. His work primarily focuses on mechanisms that enhance the functionality and efficiency of recording and reproducing apparatuses.

Latest Patents

Watanabe's latest patents include a dual motor mode switching mechanism for recording and/or reproducing apparatuses. This invention provides a mode switching mechanism that utilizes a swing arm and a cam gear to selectively switch operational modes based on the rotational drive direction of a reel motor. Another significant patent is the FF-rew changing mechanism for tape recording and/or reproducing apparatus. This mechanism ensures that a drive gear engages with reel bases only after a brake member has been disengaged, enhancing the reliability of the tape recording process.

Career Highlights

Watanabe has spent a considerable part of his career at Sony Corporation, where he has been instrumental in developing innovative technologies for tape recording. His expertise in mechanical design and engineering has led to advancements that have improved the user experience in tape recording devices.

Collaborations

Throughout his career, Watanabe has collaborated with talented individuals such as Yasuo Osada and Kenji Ohhara. These collaborations have fostered a creative environment that has resulted in several successful innovations in the field.

Conclusion

Hisanori Watanabe's contributions to tape recording technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of recording technologies 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]
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