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For the Inventor, By the Inventor

Ehime, Japan

Takefumi Yanagihara

This inventor holds 8 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1998-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takefumi Yanagihara. Retrieved from https://idiyas.com/inventor/takefumi-yanagihara

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

USPTO Granted Patents = 8

% Patents Active = 62.5

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Saijo, JP (1998 - 2007)
  • Ehime, JP (2007)

Company Filing History:

goldMedal8 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1998-2007

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8 patents (USPTO):Explore Patents
1. 7248430 - Magnetic recording and reproduction apparatus (2007-07-24),
2. 7209316 - Magnetic recording/reproducing device including a tape pull-out member having a projection for contacting a ramp surface (2007-04-24),
3. 7209315 - Magnetic recording and reproduction apparatus (2007-04-24),
4. 6286775 - Magnetic recording apparatus (2001-09-11),
5. 6275351 - Magnetic recording/reproduction apparatus having a mechanism for moving a sub-chassis relative to a main chassis (2001-08-14),
6. 6256167 - Magnetic recording/reproduction apparatus having a mechanism for pulling a magnetic tape out of a cassette (2001-07-03),
7. 5867467 - Package relay terminal assembly (1999-02-02),
8. 5768048 - Tape cassette cover opening and closing device (1998-06-16),

Title: Takefumi Yanagihara: Innovator in Magnetic Recording Technology

Introduction

Takefumi Yanagihara is a prominent inventor based in Ehime, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 8 patents. His innovative designs have paved the way for advancements in data storage and retrieval systems.

Latest Patents

Yanagihara's latest patents include a magnetic recording and reproduction apparatus. This apparatus features a pivotable arm section that operates around a pivoting shaft. It includes a tape guide section for directing a magnetic tape, a capstan section for driving the tape, and a maintaining section that ensures the arm's position during operation. Another notable patent describes a similar apparatus with an extendable and compressible section that adapts to the arm's pivoting motion, enhancing the efficiency of magnetic tape handling.

Career Highlights

Yanagihara has spent a significant portion of his career at Matsushita Electric Industrial Co., Ltd. His work has been instrumental in developing technologies that improve the performance and reliability of magnetic recording devices. His innovative spirit and technical expertise have earned him recognition in the industry.

Collaborations

Throughout his career, Yanagihara has collaborated with notable colleagues, including Akio Konishi and Koichiro Hirabayashi. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Takefumi Yanagihara's contributions to magnetic recording technology exemplify the impact of innovation in modern data storage solutions. His patents reflect a commitment to enhancing the efficiency and functionality of magnetic recording systems.

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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