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For the Inventor, By the Inventor

Osaka, Japan

Yohichi Shiwaya

This inventor holds 7 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Ricoh Electronic Devices Co., Ltd.. Active years: 2009-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yohichi Shiwaya. Retrieved from https://idiyas.com/inventor/yohichi-shiwaya

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

USPTO Granted Patents = 7

% Patents Active = 28.6

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Toyonaka, JP (2009 - 2014)
  • Osaka, JP (2011 - 2017)

Company Filing History:

goldMedal5 out of 28,940 
 
Ricoh Company, Ltd.
 patents
silverMedal2 out of 16 
 
Ricoh Electronic Devices Co., Ltd.
 patents

Years Active: 2009-2017

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7 patents (USPTO):Explore Patents
1. 9812959 - Step up/down switching regulator (2017-11-07),
2. 9584019 - Switching regulator and control method thereof (2017-02-28),
3. 8669749 - Switching power supply unit (2014-03-11),
4. 8295064 - Operation control method of charge pump circuit (2012-10-23),
5. 8278991 - Power supply circuit and method for controlling the same (2012-10-02),
6. 7986109 - Load driving circuit and method of setting load current thereof (2011-07-26),
7. 7564196 - Power supply device, and LED device and electronic device using same (2009-07-21),

Title: Yohichi Shiwaya: Pioneering Inventor from Osaka

Introduction: Yohichi Shiwaya is a renowned inventor hailing from Osaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yohichi Shiwaya holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Yohichi Shiwaya has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Yohichi Shiwaya has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Yohichi Shiwaya's relentless pursuit of innovation and his passion for creating technology that positively impacts society solidify his position as a pioneering inventor not only in Osaka but on a global scale.

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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