Yoshifumi Yaoi

This inventor holds 29 USPTO granted patents, primarily in Semiconductor Technology. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2001-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Yaoi. Retrieved from https://idiyas.com/inventor/yoshifumi-yaoi

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

USPTO Granted Patents = 29

% Patents Active = 24.1

Average Co-Inventor Count = 5.2

ph-index = 11

Forward Citations = 432(Granted Patents)

Location History:

Yamatokooriuama, JP (2006)
Nara-ken, JP (2001 - 2007)
Yamatokooriyama, JP (2005 - 2008)
Yamatokoriyama, JP (2006 - 2008)
Osaka, JP (2014 - 2016)

Company Filing History:

29 out of 25,954

Sharp Kabushiki Kaisha Corporation

patents

Years Active: 2001-2016

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Areas of Expertise:

Semiconductor Memory Device

DC-DC Converter

Solar Charging System

Illumination Apparatus

Light Emitting Device

Photovoltaic Apparatus

Portable Electronic Device

Display Device

Programming Method

Data Retention

Driver Circuit

Page Buffer

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9293984 - Illumination apparatus and power supply circuit (2016-03-22),

2. 9214783 - Light emitting device, lighting system, headlight, and vehicle (2015-12-15),

3. 9190590 - Light emitting element and production method for same, production method for light-emitting device, illumination device, backlight, display device, and diode (2015-11-17),

4. 9181630 - Method for disposing fine objects, apparatus for arranging fine objects, illuminating apparatus and display apparatus (2015-11-10),

5. 9085239 - Push-pull circuit, DC/DC converter, solar charging system, and movable body (2015-07-21),

6. 9071154 - DC-DC converter, solar charging system, and movable body (2015-06-30),

7. 8901860 - Photovoltaic apparatus, maximum power point tracking control method and computer program in the same, and moving body including the same (2014-12-02),

8. 7405974 - Semiconductor memory device, page buffer resource assigning method and circuit therefor, computer system and mobile electronic device (2008-07-29),

9. 7372758 - Semiconductor memory device, method for controlling the same, and mobile electronic device (2008-05-13),

10. 7315603 - Semiconductor storage device, method for protecting predetermined memory element and portable electronic equipment (2008-01-01),

11. 7203118 - Semiconductor storage device and mobile electronic device (2007-04-10),

12. 7177188 - Semiconductor memory device, display device, and portable electronic apparatus (2007-02-13),

13. 7170791 - Programming verification method of nonvolatile memory cell, semiconductor memory device, and portable electronic apparatus having the semiconductor memory device (2007-01-30),

14. 7170789 - Semiconductor storage device and electronic equipment (2007-01-30),

15. 7167402 - Semiconductor storage device, redundancy circuit thereof, and portable electronic device (2007-01-23),

Title: **Yoshifumi Yaoi: Innovator in Lighting Technologies**

Introduction

Yoshifumi Yaoi, based in Yamatokoriyama, Japan, is a prominent inventor known for his significant contributions to lighting technologies. With an impressive portfolio of 29 patents, Yaoi has made strides in developing advanced illumination apparatuses and power supply circuits.

Latest Patents

Among his latest patents are the "Illumination apparatus and power supply circuit" and the "Light emitting device, lighting system, headlight, and vehicle." The first patent offers a power supply circuit designed to minimize efficiency loss during voltage conversion. By utilizing a control circuit that manages the operations of switching elements, this innovation aims to enhance the performance of circuitry in various applications. The second patent features a light-emitting device that comprises multiple components such as a laser light source and a lens for excitation. This invention addresses issues related to breakage and deformation, ensuring reliability and effectiveness in lighting systems.

Career Highlights

Yoshifumi Yaoi has dedicated his career to advancing technology at Sharp Kabushiki Kaisha Corporation. His innovations reflect a deep understanding of both practical applications and theoretical foundations in electrical engineering and design.

Collaborations

In his journey, Yaoi has collaborated with notable coworkers like Hiroshi Iwata and Akihide Shibata. Their joint efforts have contributed significantly to the development of cutting-edge technologies within the company, fostering an environment of shared knowledge and innovation.

Conclusion

Yoshifumi Yaoi's commitment to innovation in illumination technologies continues to influence the industry. Through his inventive spirit and collaborative efforts, he exemplifies the impact that dedicated inventors can have on advancing technology for the betterment of society. As he forges ahead with new ideas and patents, the world eagerly anticipates his next contributions.

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]