Tokyo, Japan

Haruo Inoue

This inventor holds 37 USPTO granted patents, primarily in Game Machine Technology. Top assignees: Dragon Co., Ltd., Eagle Co., Ltd., Seikosha Co., Ltd.. Active years: 1981-2013.

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

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


% Patents Active = 64.9

Average Co-Inventor Count = 1.2

ph-index = 24

Forward Citations = 5,249(Granted Patents)


Company Filing History:


Years Active: 1981-2013

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Areas of Expertise:
Symbol Display Device
Game Machine
Slot Machine
Rotary Reel Unit
Oxygen Detecting Composition
Video Card Game
Bingo Game Machine
Medal Pusher Game
Coin Dispenser
Serial Printer
Dot Printer
Power Transmission Device
37 patents (USPTO):Explore Patents

Title: The Innovative Mind of Haruo Inoue from Tokyo

Introduction: Haruo Inoue is a renowned inventor based in Tokyo, Japan, with an impressive portfolio of 37 patents. His contributions to the field of gaming technology have made a significant impact, particularly through his inventive designs for slot machines, showcasing a unique blend of creativity and engineering.

Latest Patents: One of Inoue's latest patents is a sophisticated symbol display device for game machines. This innovative slot machine design features a reel assembly with a transparent outer reel and a translucent inner reel, which are arranged coaxially. Each reel is independently driven by its respective motor, allowing for dynamic gaming experiences. Inoue's design enables different symbol orientations during gameplay, providing players with varied visual experiences and an enhanced chance to produce symbol combinations by synthesizing the symbols on both reels.

Career Highlights: Inoue has had a successful career working with various companies in the gaming industry. Notable among them are Dragon Co., Ltd. and Eagle Co., Ltd., where he contributed to the development of cutting-edge gaming technologies. His expertise and innovative approach have earned him a respected position as a leading inventor in this niche.

Collaborations: Throughout his career, Haruo Inoue has collaborated with talented professionals, including Hiroyuki Harada and Akio Tajima. These relationships have fostered an environment of creativity and innovation, further pushing the boundaries of gaming inventions.

Conclusion: Haruo Inoue's contributions to the gaming industry highlight the importance of creativity and technical skill in the development of innovative gaming solutions. His work, particularly with his latest patent, demonstrates a forward-thinking approach that continues to inspire both players and fellow inventors in the field.

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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