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For the Inventor, By the Inventor

Tokyo, Japan

Kazumasa Yoshizawa

This inventor holds 55 USPTO granted patents and 8 published patent applications, primarily in Gaming Machines (CPC class G07F). Top assignees: Universal Entertainment Corporation, Aruze Gaming America, Inc.. Active years: 2010-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumasa Yoshizawa. Retrieved from https://idiyas.com/inventor/kazumasa-yoshizawa

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

Calculating rank
USPTO Granted Patents = 55 

% Patents Active = 27.3

Average Co-Inventor Count = 1.3

ph-index = 7

Forward Citations = 189(Granted Patents)

Forward Citations (Not Self Cited) = 178(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Koto-ku, JP (2012 - 2014)
  • Tokyo, JP (2010 - 2019)

Company Filing History:

goldMedal53 out of 693 
 
Universal Entertainment Corporation
 patents
silverMedal9 out of 326 
 
Aruze Gaming America, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2010-2019

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Areas of Expertise:
Gaming Machine
Slot Machine
Control Method
Game Method
Player Interaction
Networked Gaming
Bonus Game
Payout Symbol
Multi-Choice Game
Chance Game
Special Game
55 patents (USPTO):Explore Patents
1. 10201753 - Gaming machine and program thereof (2019-02-12),
2. 9230412 - Gaming machine and control method thereof (2016-01-05),
3. 9183703 - Gaming system in which a plurality of slot machines scramble for awards (2015-11-10),
4. 8998699 - Slot machine (2015-04-07),
5. 8834260 - Gaming machine and game control method thereof, capable of executing common game corresponding to the number of executed base games (2014-09-16),
6. 8758114 - Gaming machine and control method thereof (2014-06-24),
7. 8702500 - Gaming machine (2014-04-22),
8. 8568223 - Gaming machine and gaming method thereof (2013-10-29),
9. 8545329 - Gaming machine which determines whether common game start condition is met for each gaming terminal, and gaming method thereof (2013-10-01),
10. 8475260 - Gaming machine and method for controlling the same (2013-07-02),
11. 8454424 - Gaming machine and playing method thereof, which qualifies player to join special game through chance game run at the same time base game is run (2013-06-04),
12. 8435109 - Gaming machine with mechanical reel rotatable through player's operation and confirmation method of symbol (2013-05-07),
13. 8409012 - Gaming machine and game control method thereof, capable of skipping common game resulting in a draw (2013-04-02),
14. 8393951 - Gaming system having a plurality of gaming machines linked by network and control method thereof (2013-03-12),
15. 8382587 - Gaming machine which runs common game at plurality of gaming terminals and a playing method thereof (2013-02-26),

Title: Unveiling the Inventive Mind of Kazumasa Yoshizawa

Introduction:

Hailing from Tokyo, Japan, Kazumasa Yoshizawa is a prolific inventor with a total of 55 patents to his name. His innovative spirit and dedication to the field of gaming machines have led to groundbreaking developments in the industry.

Latest Patents:

Among his latest patents is a Gaming Machine and Program thereof, where Yoshizawa introduces a novel approach to gaming operations that involve positional information and sign data correlation. Another notable creation is the Gaming Machine and Control Method thereof, which revolutionizes gaming experiences through dynamic symbol displays and interactive bonus games.

Career Highlights:

Kazumasa Yoshizawa has made significant contributions to the gaming sector through his work at Universal Entertainment Corporation and Aruze Gaming America, Inc. His expertise in developing cutting-edge gaming technologies has positioned him as a key player in the industry, setting new standards for innovation and user engagement.

Collaborations:

Throughout his career, Yoshizawa has collaborated with industry experts such as Yukinori Inamura and Jun Fujimoto. Together, they have worked on projects that have pushed the boundaries of gaming machine capabilities and enhanced the overall gaming experience for players worldwide.

Conclusion:

In conclusion, Kazumasa Yoshizawa's inventive prowess and relentless pursuit of innovation have solidified his reputation as a trailblazer in the gaming industry. With a diverse portfolio of patents and a track record of collaboration with top industry professionals, Yoshizawa continues to shape the future of gaming technology with his visionary contributions.

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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