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For the Inventor, By the Inventor

Tenri, Japan

Yasuaki Hirano

USPTO Granted Patents = 33

Average Co-Inventor Count = 1.1

ph-index = 13

Forward Citations = 513(Granted Patents)


Location History:

  • Nara, JP (1998)
  • Yamatokoriyama, JP (1997 - 2002)
  • Yamatokooriyama, JP (2000 - 2004)
  • Tenri, JP (2001 - 2006)
  • Osaka, JP (2012)
  • Sakai, JP (2022)

Company Filing History:

goldMedal33 out of 25,537 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1997-2022

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33 patents (USPTO):Explore Patents
1. 11482833 - Light emitting device (2022-10-25),
2. 8297826 - Backlight unit and display device including the same (2012-10-30),
3. 7038951 - Non-volatile semiconductor memory device and erasing control method thereof (2006-05-02),
4. 6912161 - Nonvolatile semiconductor memory device (2005-06-28),
5. 6831858 - Non-volatile semiconductor memory device and data write control method for the same (2004-12-14),
6. 6768676 - Nonvolatile semiconductor memory device (2004-07-27),
7. 6747901 - Nonvolatile semiconductor memory device capable of preventing occurrence of latch-up (2004-06-08),
8. 6735125 - Nonvolatile semiconductor memory device and method of erasing the same (2004-05-11),
9. 6714459 - Nonvolatile semiconductor memory device and method of detecting overerased cell (2004-03-30),
10. 6711058 - Erase method for nonvolatile semiconductor storage device and row decoder circuit for fulfilling the method (2004-03-23),
11. 6657898 - Nonvolatile semiconductor memory device and data erase method therefor (2003-12-02),
12. 6608782 - Booster circuit capable of achieving a stable pump operation for nonvolatile semiconductor memory device (2003-08-19),
13. 6549465 - Nonvolatile semiconductor memory well voltage setting circuit without latchup and semiconductor memory device provided with the circuit (2003-04-15),
14. 6542410 - Nonvolatile semiconductor memory device capable of reducing pre-erase write time and erase method therefor (2003-04-01),
15. 6483752 - Erase method for nonvolatile semiconductor memory device (2002-11-19),

Title: Yasuaki Hirano: Innovator in Light Emitting Technologies

Introduction

Yasuaki Hirano, an esteemed inventor located in Tenri, Japan, has made significant contributions to the field of light emitting technologies with a remarkable total of 33 patents. His pioneering work focuses on the development of advanced light emitting devices that enhance display technologies, benefiting various industries.

Latest Patents

Hirano's recent patents showcase innovative solutions in lighting design. One notable invention is a light emitting device that incorporates a semiconductor light source device composed of multiple semiconductor light emitting elements. This device features a wavelength conversion member to transform the wavelength of the irradiation light and a concentrating lens that directs the light effectively. Supported by a cylindrical holder, this design exemplifies cutting-edge advancements in semiconductor technology.

Another significant patent details a backlight unit and a display device designed to minimize luminance unevenness. The backlight unit comprises multiple dot light sources alongside a light guide plate with a predetermined side acting as the light incident surface. This inventive configuration categorizes the light sources into two groups differentiated by their placement in the light guide plate's thickness direction, which optimizes luminance across the display.

Career Highlights

Yasuaki Hirano is prominently associated with Sharp Corporation, a global leader in electronics and technology. His role at the company has allowed him to explore and develop innovative lighting technologies that play a critical role in modern display systems.

Collaborations

Throughout his career, Hirano has collaborated with esteemed colleagues in the field, including Shuichiro Kouchi and Yoshiji Ohta. These collaborations have fostered an environment of shared innovation, contributing to the impressive advancements seen in their collective research endeavors.

Conclusion

Yasuaki Hirano's contributions to the domain of light emitting devices and his extensive patent portfolio underscore his dedication to innovation. As an influential figure at Sharp Corporation, he continues to push the boundaries of technology, enhancing the visual experiences of users across the globe. His work serves as an inspiration for future innovations in the lighting and display sectors.

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