Tokyo, Japan

Norikatsu Inoue

This inventor holds 9 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1977-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norikatsu Inoue. Retrieved from https://idiyas.com/inventor/norikatsu-inoue

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 155(Granted Patents)


Location History:

  • Tokyo, JA (1977)
  • Tokyo, JP (1985 - 1999)

Company Filing History:


Years Active: 1977-1999

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9 patents (USPTO):Explore Patents

Title: Norikatsu Inoue: Innovator in Optical Technology

Introduction

Norikatsu Inoue is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of advanced lens systems. With a total of 9 patents to his name, Inoue's work has had a substantial impact on the camera and imaging industries.

Latest Patents

Inoue's latest patents include a zoom lens apparatus that excels in sound insulating and dust-proof properties. This innovative design is easy to handle during transportation and storage. The apparatus features a lens system that includes a zoom lens set, a focusing lens set, and an iris, all aligned on a single optic axis. Additionally, it incorporates a zoom lens driving section composed of a motor, a ball screw, and a lens holding member, among other components. Another notable patent is for a camera lens barrel that integrates both pulse drive control and microstep drive control. This design minimizes noise and vibration compared to conventional lens barrels that utilize DC motors.

Career Highlights

Norikatsu Inoue is currently employed at Sony Corporation, where he continues to push the boundaries of optical technology. His work has not only advanced the functionality of camera systems but has also improved user experience through enhanced performance and reliability.

Collaborations

Inoue has collaborated with notable colleagues such as Kunio Nakazato and Hiroshi Kawamura. Their combined expertise has contributed to the successful development of innovative optical solutions.

Conclusion

Norikatsu Inoue's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in camera systems and imaging technology.

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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