Miyagi, Japan

Takanobu Iwama

This inventor holds 28 USPTO granted patents and 7 published patent applications, primarily in Magnetic Recording Media. Top assignees: Sony Corporation, Sony Group Corporation. Active years: 2001-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takanobu Iwama. Retrieved from https://idiyas.com/inventor/takanobu-iwama

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

USPTO Granted Patents = 28 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 53(Granted Patents)


Location History:

  • Miyagi, JP (2001 - 2023)
  • Tokyo, JP (2020 - 2024)

Company Filing History:


Years Active: 2001-2024

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Areas of Expertise:
Magnetic Recording Medium
Cartridge
Tape Cartridge
Data Reproduction
Memory Management
High Density Recording
Recording Device
Non-Contact Communication
Magnetic Tape
Control Method
Reproducing Apparatus
Data Management
28 patents (USPTO):Explore Patents

Title: Takanobu Iwama: Innovator in Magnetic Recording Technologies

Introduction

Takanobu Iwama is a prominent inventor based in Miyagi, Japan, recognized for his significant contributions to the field of magnetic recording technologies. With a total of 28 patents to his name, Iwama has played a pivotal role in advancing the functionality and efficiency of recording devices.

Latest Patents

One of Iwama's latest inventions is a cartridge designed to include a tape-shaped magnetic recording medium. This innovative cartridge comprises a cartridge memory that features a communication unit for seamless interaction with recording and reproducing devices when loaded. Additionally, it encompasses a storage unit and a control unit tasked with storing, reading, and transmitting critical information, including manufacturing details and adjustments for tape tension. Notably, the tape-shaped magnetic recording medium is engineered with multiple servo bands, and its temperature expansion coefficient is carefully controlled to meet specific standards.

Another recent patent from Iwama includes a cleaning tape and cartridge. This design incorporates a tape-shaped nonwoven fabric wound onto a reel, all housed within a protective case. The nonwoven fabric is crafted to have a basis weight of 25 grams per square meter or less, alongside a fiber diameter that does not exceed 11 micrometers, enhancing the effectiveness of cleaning operations.

Career Highlights

Iwama has had a notable career, primarily within the renowned Sony Corporation and Sony Group Corporation, where he has continually harnessed his expertise to develop cutting-edge technology. His work has not only propelled innovations in magnetic recording but has also set new standards in the industry.

Collaborations

Throughout his career, Takanobu Iwama has collaborated with esteemed colleagues, including Eiji Nakashio and Kazuo Anno. Their combined efforts have resulted in advancements in various aspects of recording technology, showcasing the power of teamwork in fostering innovation.

Conclusion

Takanobu Iwama's body of work as an inventor and innovator reflects his dedication to enhancing magnetic recording technologies. His latest patents exemplify his commitment to improving functionality and precision in recording devices, marking him as a key player in the technology landscape. With a wealth of experience and a robust patent portfolio, Iwama continues to influence the future of 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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