Tokyo, Japan

Hidehiko Yamaguchi

This inventor holds 3 USPTO granted patents. Top assignee: Tomy Kogyo Co., Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidehiko Yamaguchi. Retrieved from https://idiyas.com/inventor/hidehiko-yamaguchi-27rrpeew

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 45(Granted Patents)


Location History:

  • Tokyo, JP (1989)
  • Tateishi, JP (1989)

Company Filing History:


Years Active: 1989

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3 patents (USPTO):Explore Patents

Title: The Innovative Mind of Hidehiko Yamaguchi

Introduction

Hidehiko Yamaguchi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of toy design, particularly through his innovative patents. With a total of 3 patents to his name, Yamaguchi continues to push the boundaries of creativity and functionality in the toy industry.

Latest Patents

Yamaguchi's latest patents showcase his inventive spirit. One of his notable inventions is a doll toy that features head and trunk portions illuminated to project images. This innovative design utilizes a single interior light source, allowing for a captivating visual experience. The illumination is achieved by connecting the inner cavities of both portions, enabling the light source in the trunk to illuminate the head as well. The projectable images are contained on transparent frames located in both the trunk and head portions.

Another remarkable invention by Yamaguchi is an animated toy that incorporates a voice input device. This device receives voice signals from outside the toy, which are then processed by a driving circuit. The circuit shapes the waveform of the voice signal to output a drive signal, actuating a movable portion of the toy. When no drive signal is supplied, the mechanism returns to its initial stop position, enhancing the interactive experience for users.

Career Highlights

Yamaguchi is currently associated with Tomy Kogyo Co., Ltd., a prominent company in the toy industry. His work at Tomy Kogyo has allowed him to collaborate with other talented individuals, further enriching his innovative endeavors.

Collaborations

Some of Yamaguchi's coworkers include Nobuo Kobayashi and Kouichi Minami. Their collaborative efforts contribute to the dynamic environment at Tomy Kogyo, fostering creativity and innovation.

Conclusion

Hidehiko Yamaguchi's inventive contributions to the toy industry highlight his creativity and technical expertise. His patents reflect a commitment to enhancing play experiences for children through innovative designs. Yamaguchi's work continues to inspire future generations of 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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