Tochigi, Japan

Ikuo Nishikawa

This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Universal. Active years: 1985-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ikuo Nishikawa. Retrieved from https://idiyas.com/inventor/ikuo-nishikawa-1g972ume

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 = 1.0

ph-index = 2

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1985-1986

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3 patents (USPTO):Explore Patents

Title: The Innovative Journey of Ikuo Nishikawa

Introduction

Ikuo Nishikawa is a notable inventor based in Tochigi, Japan. With a keen focus on the gaming industry, he has made significant contributions through his inventive designs. Nishikawa holds three patents to his name, showcasing his innovative spirit and dedication to enhancing gaming experiences.

Latest Patents

Among his notable inventions, two recent patents stand out for their ingenuity. The first is the "Device for Regulating the Direction of Rotation of Slot Machine Handle." This device ensures reliable forward and return motions of the handle by interlocking a rack member with a guide member, allowing for controlled reversal of the handle's direction only when fully pulled or returned.

The second patent, "Slot Machine Handle Locking Device," addresses the functionality of slot machines during gameplay. This invention enables the handle to be locked for rotation of the reels until a coin is inserted, employing a solenoid-activated interlock lever that engages and disengages a locking pawl to facilitate gameplay efficiently.

Career Highlights

Ikuo Nishikawa is affiliated with Kabushiki Kaisha Universal, where he contributes his expertise in developing solutions that enhance the functionality of gaming machines. His work epitomizes the blend of creativity and technical skill required to innovate within this dynamic field.

Collaborations

While specific collaborations have not been detailed, it is common for inventors in the gaming industry to engage in partnerships and discussions with other professionals and companies in technology and design. Nishikawa's work likely benefits from such interactions within the innovative community.

Conclusion

Ikuo Nishikawa's inventive contributions, particularly to the realm of slot machine functionality, illustrate his dedication to enhancing user experience and operational efficiency. With three patents to his name and a commitment to innovation through Kabushiki Kaisha Universal, he continues to be a pivotal figure in the field of gaming 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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