Tokyo, Japan

Tahei Katagai

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: Konami Digital Entertainment Co., Ltd.. Active years: 2016-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tahei Katagai. Retrieved from https://idiyas.com/inventor/tahei-katagai

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Yokohama, JP (2016 - 2017)
  • Tokyo, JP (2019)

Company Filing History:


Years Active: 2016-2019

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4 patents (USPTO):Explore Patents

Title: Tahei Katagai: Innovator in Game Technology

Introduction

Tahei Katagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of game technology, holding a total of 4 patents. His innovative designs and concepts have advanced the way games are developed and experienced.

Latest Patents

Among his latest patents, Tahei Katagai has developed a game machine and game program that includes an operation acceptor, an output controller, and an evaluator. This game machine is designed to accept operations and display a reference indicator along with a movement object on the screen. The output controller is capable of changing the display position of the reference indicator and the movement direction of the movement object based on specific conditions. The evaluator assesses the operation based on the timing of the movement object reaching the reference indicator and the acceptance of the operation.

Another notable patent involves a game machine that features a first operation acceptor, a register, a second operation acceptor, an output controller, and an evaluator. In this design, the first operation acceptor accepts a first operation in an editing mode, while the second operation acceptor accepts a second operation in a different play mode. The output controller displays the reference indicator at a registered position and moves a movement object toward it. The evaluator evaluates the second operation based on the timing of the movement object reaching the reference indicator and the performance of the second operation.

Career Highlights

Tahei Katagai is currently associated with Konami Digital Entertainment Co., Ltd., a leading company in the gaming industry. His work has been instrumental in developing innovative gaming solutions that enhance user experience and engagement.

Collaborations

Throughout his career, Tahei has collaborated with talented individuals such as Tomoaki Koguchi and Hitomi Kitamura. These collaborations have contributed to the successful development of various gaming technologies and programs.

Conclusion

Tahei Katagai is a visionary inventor whose work in game technology continues to shape the industry. His patents reflect a deep understanding of user interaction and game mechanics, making him a key figure in the evolution of gaming.

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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