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Shigetoshi Ito

USPTO Granted Patents = 72 (Patent Applications = 5)

EPO Patents = 1 (Patent Applications = 2)

Average Co-Inventor Count = 2.8

ph-index = 14

Forward Citations = 862(Granted Patents)

Forward Citations (Not Self Cited) = 840(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nara, JP (2002 - 2006)
Shijyonawate, JP (2010)
Ikoma, JP (2000 - 2013)
Shijonawate, JP (2007 - 2014)
Osaka, JP (2012 - 2019)
Sakai, JP (2018 - 2020)

Company Filing History:

70 out of 25,550

Sharp Kabushiki Kaisha Corporation

8 out of 10,250

Sumitomo Electric Industries, Limited

Sanyo Electric Co., Ltd.

4. 1 out of 550

National Institute for Materials Science

5. 2 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 2000-2020

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Areas of Expertise:

Semiconductor Light-Emitting Device

Nitride Semiconductor Laser Device

GaN-Based Laser Device

Light Emitting Apparatus

Image Display Apparatus

Light Projecting Device

Semiconductor Laser Diode

Optical Data Recording Device

Illuminating Device

Nitride Semiconductor Crystal

LED Element Driving Method

Optical Pickup Apparatus

72 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10680405 - Semiconductor light-emitting device (2020-06-09),

2. 10381528 - Image display apparatus (2019-08-13),

3. 10218152 - Semiconductor laser diode with low threshold current (2019-02-26),

4. 10026869 - Nitride semiconductor light-emitting device and method for producing the same (2018-07-17),

5. 9911902 - Semiconductor light-emitting device (2018-03-06),

6. 9518712 - Light projecting device and vehicular headlamp (2016-12-13),

7. 9219123 - Method of producing a nitride semiconductor crystal with precursor containing carbon and oxygen, and nitride semiconductor crystal and semiconductor device made by the method (2015-12-22),

8. 9109771 - Light projecting device and vehicular headlamp (2015-08-18),

9. 8833991 - Light emitting device, with light guide member having smaller exit section, and illuminating device, and vehicle headlight including the same (2014-09-16),

10. 8824516 - GaN-based laser device (2014-09-02),

11. 8807812 - Light emitting device, illuminating device, and headlamp (2014-08-19),

12. 8548019 - GaN laser element (2013-10-01),

13. 8502238 - Nitride-composite semiconductor laser element, its manufacturing method, and semiconductor optical device (2013-08-06),

14. 8456394 - Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus (2013-06-04),

15. 8335242 - Nitride semiconductor laser device mounted on a stem (2012-12-18),

Title: Shigetoshi Ito: Pioneering Inventor from Ikoma, Japan

Introduction: Shigetoshi Ito is a renowned inventor hailing from Ikoma, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Shigetoshi Ito holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Shigetoshi Ito has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

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

Conclusion: Shigetoshi Ito's passion for innovation, coupled with his dedication to pushing the boundaries of technology, has solidified his reputation as a trailblazing inventor in the global landscape of inventions and patents.

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