Saitama, Japan

Shigeharu Furusawa

This inventor holds 11 USPTO granted patents. Top assignees: Pioneer Electronic Corporation, Other. Active years: 1991-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeharu Furusawa. Retrieved from https://idiyas.com/inventor/shigeharu-furusawa

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


% Patents Active = 90.9

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 85(Granted Patents)


Location History:

  • Saitama, JP (1991 - 2002)
  • Saitama-ken, JP (1997 - 2004)

Company Filing History:


Years Active: 1991-2004

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11 patents (USPTO):Explore Patents

Title: **Shigeharu Furusawa: Innovator in Recording Medium Technology**

Introduction

Shigeharu Furusawa, an accomplished inventor based in Saitama-ken, Japan, has made significant contributions to the field of recording medium technology. With a remarkable portfolio that includes 11 patents, Furusawa's innovations are geared towards improving the efficiency and reliability of various recording devices.

Latest Patents

One of Furusawa's latest inventions is the **Recording-Medium Transfer Device**, which features an anti-rattle construction. This device is designed with a transfer roller positioned above the chassis, perpendicular to the direction of recording medium transfer. A unique structure allows for a shaft to be inserted into a rolling member made from flexible material. The chassis includes projecting portions that oppose both ends of the rolling member, creating clearances that enable deformation when the member contacts these projections. The design not only facilitates effective insertion of discs but also ensures that external vibrations do not cause chatter once the recording medium is transferred to the clamping position.

Another key invention is the **Feed Roller for Recording Medium**. This innovative design comprises a roller shaft that feeds the recording medium, paired with a roller body made of elastic material. It features a center bore for the roller shaft and includes holding members that maintain the roller body in a longitudinally compressed state, enhancing its operational efficiency.

Career Highlights

Throughout his career, Shigeharu Furusawa has worked with prominent companies, including Pioneer Electronic Corporation. His experience in such dynamic environments has contributed to the refinement and development of his innovative ideas.

Collaborations

Furusawa has collaborated with notable colleagues, including Yoshimitsu Fukushima and Satoru Anada. These partnerships have played an essential role in the ideation and execution of his patent applications, leading to advancements in their respective fields.

Conclusion

With a total of 11 patents under his name, Shigeharu Furusawa stands out as an influential figure in the world of recording medium technology. His ongoing dedication to innovation continues to inspire advancements that revolutionize how recording devices operate, ensuring higher quality and improved performance in 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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