Syoji Sakaguchi

This inventor holds 5 USPTO granted patents. Top assignees: Fuji Electric Co., Ltd., Fuji Electric Device Technology Co., Ltd.. Active years: 2004-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Syoji Sakaguchi. Retrieved from https://idiyas.com/inventor/syoji-sakaguchi

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

Calculating rank

USPTO Granted Patents = 5

% Patents Active = 40.0

Average Co-Inventor Count = 3.2

ph-index = 1

Forward Citations = 4(Granted Patents)

Location History:

Nagano, JP (2004 - 2005)
Kawasaki, JP (2006)

Company Filing History:

4 out of 4,826

Fuji Electric Co., Ltd.

patents

1 out of 152

Fuji Electric Device Technology Co., Ltd.

patents

Years Active: 2004-2006

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7147944 - Substrate for magnetic recording media using dried thermoplastic norbornene resin and magnetic recording media using substrate (2006-12-12),

2. 6939595 - Magnetic recording medium substrate using thermoplastic allyloxymethylstyrene resin, magnetic recording medium using the substrate, and method of manufacturing the magnetic recording medium (2005-09-06),

3. 6794488 - Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate (2004-09-21),

4. 6743530 - Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate (2004-06-01),

5. 6722057 - Method of drying thermoplastic norbornene resin and method of manufacturing magnetic recording medium (2004-04-20),

Title: Syoji Sakaguchi: Innovator in Magnetic Recording Media

Introduction

Syoji Sakaguchi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of magnetic recording media, holding a total of 5 patents. His innovative work has advanced the technology used in data storage and retrieval.

Latest Patents

Sakaguchi's latest patents include a substrate for magnetic recording media utilizing dried thermoplastic norbornene resin. This invention focuses on suppressing gas components in thermoplastic norbornene resin pellets by drying the resin under vacuum or at ordinary pressure. The substrate is manufactured through injection molding, which enhances the quality of the magnetic recording medium. Additionally, he has developed a magnetic recording medium substrate using thermoplastic allyloxymethylstyrene resin, which also involves a method for manufacturing the magnetic recording medium.

Career Highlights

Throughout his career, Syoji Sakaguchi has worked with prominent companies such as Fuji Electric Co., Ltd. and Fuji Electric Device Technology Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in magnetic recording technology.

Collaborations

Sakaguchi has collaborated with notable coworkers, including Youich Tei and Katsunori Suzuki. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Syoji Sakaguchi's contributions to magnetic recording media have established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing technology in data storage.

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]