Tokyo, Japan

Katsu Inaga

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1976-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsu Inaga. Retrieved from https://idiyas.com/inventor/katsu-inaga

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 47(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Tokyo, JP (1986)

Company Filing History:


Years Active: 1976-1986

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2 patents (USPTO):Explore Patents

Title: Katsu Inaga: Innovator in Video Technology

Introduction

Katsu Inaga is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of video technology, holding a total of 2 patents. His work primarily focuses on enhancing the functionality and usability of video recording devices.

Latest Patents

One of Katsu Inaga's latest patents is for a portable video camera with an image pick-up device. This innovative video camera features a body with a handgrip that houses an automatic focus adjusting mechanism. This mechanism allows for automatic focus adjustment of the image focusing optical system by emitting measuring light and detecting the distance of the object from the lens. The design ensures that the measuring light aligns with the optical axis of the image pick-up optical system, enhancing the camera's performance.

Another significant patent is for a reel assembly that includes a flexible tape drawing member and a reel hub with cut-out portions. This design allows for the orderly winding of a tape-like member around the reel hub during the automatic loading operation of a VTR or tape recorder. The innovative connecting means ensures that the tape-like member is wound without wrinkling, improving the overall efficiency of the device.

Career Highlights

Katsu Inaga is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to push the boundaries of video technology and contribute to the development of advanced recording devices.

Collaborations

Throughout his career, Katsu Inaga has collaborated with notable colleagues such as Nobuo Uda and Tatsuo Inoue. These collaborations have fostered innovation and creativity in their projects, leading to advancements in video technology.

Conclusion

Katsu Inaga's contributions to video technology through his patents and work at Sony Corporation highlight his role as an influential inventor. His innovative designs continue to shape the future of video recording devices.

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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