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For the Inventor, By the Inventor

Osaka, Japan

Hirofumi Koizumi

This inventor holds 9 USPTO granted patents and 6 EPO patents. Top assignee: Hosiden Corporation. Active years: 2005-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Koizumi. Retrieved from https://idiyas.com/inventor/hirofumi-koizumi

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

USPTO Granted Patents = 9

% Patents Active = 11.1

 

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Yao, JP (2009)
  • Osaka, JP (2005 - 2017)

Company Filing History:

goldMedal9 out of 792 
 
Hosiden Corporation
 patents

Years Active: 2005-2017

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9 patents (USPTO):Explore Patents
1. 9616847 - On/off detecting buckle switch (2017-04-11),
2. 9266499 - On/off detecting buckle switch (2016-02-23),
3. 8952283 - Slide switch (2015-02-10),
4. 8952279 - Slide switch (2015-02-10),
5. 8921723 - Slide switch (2014-12-30),
6. 8362382 - Push-button switch (2013-01-29),
7. 8327512 - Slide switch for buckle apparatus (2012-12-11),
8. 7498527 - Compound operation input device (2009-03-03),
9. 6951991 - Movable contact for a push-on switch, and push-on switch (2005-10-04),

Title: **Innovative Mind of Hirofumi Koizumi**

Introduction

Hirofumi Koizumi, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of technology through his innovative designs and patents. With a total of 9 patents to his name, Koizumi is recognized for his commitment to developing practical solutions that enhance functionality and improve everyday devices.

Latest Patents

One of Koizumi's latest inventions is the ON/OFF detecting buckle switch. This innovative device comprises a housing-shaped case, a substrate fixing member, and a slider insertion port among other critical components. The device uses a spring to bias a slider that, when pressed, activates a movable terminal, thereby controlling the ON/OFF state. This invention highlights Koizumi's ability to integrate mechanical and electrical components in a streamlined manner, offering a robust solution for various applications.

Career Highlights

Throughout his career at Hosiden Corporation, Hirofumi Koizumi has focused on the intersection of technology and usability. His extensive patent portfolio reflects his dedication to innovation and his knack for problem-solving in complex engineering fields. Koizumi's work not only benefits the company but also contributes to advancements in technology as a whole.

Collaborations

Koizumi has had the privilege of working alongside esteemed colleagues, including Satoshi Yamanaka and Kenjiro Desaki. Their collaborative efforts have fostered an environment of creativity and innovation at Hosiden Corporation, leading to the successful development of advanced technology solutions.

Conclusion

Hirofumi Koizumi exemplifies the spirit of innovation through his inventive mind and commitment to excellence. His contributions, particularly in the realm of the ON/OFF detecting buckle switch, are a testament to the importance of creativity and collaboration in driving technological advancements. As he continues his work in Osaka, Koizumi remains a vital player in the field of invention and innovation.

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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