Tokyo, Japan

Hiroshi Yokokawa

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignees: Oki Electric Industry Co., Ltd., Kinseki Limited, Nippon Hoso' Kyokai. Active years: 1997-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Yokokawa. Retrieved from https://idiyas.com/inventor/hiroshi-yokokawa

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

USPTO Granted Patents = 5 

% Patents Active = 80.0

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 73(Granted Patents)


Location History:

  • Gunma, JP (2013)
  • Tokyo, JP (1997 - 2019)

Company Filing History:


Years Active: 1997-2019

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5 patents (USPTO):Explore Patents

Title: Innovations of Hiroshi Yokokawa

Introduction

Hiroshi Yokokawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly with his innovative designs and patents. With a total of five patents to his name, Yokokawa has demonstrated a commitment to advancing technology in practical ways.

Latest Patents

Yokokawa's latest patents include a medium storage box and a medium handling device. The medium storage box features a guide member and a liquid spraying mechanism. This design allows for efficient stacking and handling of mediums. The liquid spraying mechanism is equipped with a nozzle that has multiple spray holes, enabling precise liquid application. The medium handling device is designed to stack rectangular mediums vertically and includes multiple liquid spray nozzles that spray liquid at specific angles to ensure effective coverage.

Career Highlights

Throughout his career, Hiroshi Yokokawa has worked with prominent companies such as Oki Electric Industry Co., Ltd. and Kinseki Limited. His experience in these organizations has contributed to his expertise in developing innovative solutions and technologies.

Collaborations

Yokokawa has collaborated with talented individuals in his field, including Takamoto Yokote and Masashi Kashiwabuchi. These partnerships have likely enhanced his creative process and led to the development of his patented inventions.

Conclusion

Hiroshi Yokokawa's contributions to technology through his patents reflect his innovative spirit and dedication to improving medium handling processes. His work continues to influence the industry and inspire future inventors.

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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