Company Filing History:

15 out of 2,630

The Furukawa Electric Co., Ltd.

patents

1 out of 25,530

Sharp Kabushiki Kaisha Corporation

patents

1 out of 1,278

The University of Tokyo

patents

where one patent can have more than one assignee

Years Active: 2008-2019

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16 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 10181539 - Photoelectric conversion element and photoelectric conversion device including the same (2019-01-15),

2. 8619831 - Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array element, vertical cavity surface emitting laser device, light source device, and optical module (2013-12-31),

3. 8494022 - Surface emitting laser, surface emitting laser array, light source and optical module (2013-07-23),

4. 8472492 - Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array element, vertical cavity surface emitting laser device, light source device, and optical module (2013-06-25),

5. 8300671 - Surface emitting laser (2012-10-30),

6. 8178364 - Testing method of surface-emitting laser device and testing device thereof (2012-05-15),

7. 8144742 - Surface emitting laser device (2012-03-27),

8. 8031754 - Surface emitting laser element, surface emitting laser element array, method of fabricating a surface emitting laser element (2011-10-04),

9. 7974327 - Surface emitting laser element array (2011-07-05),

10. 7888145 - Method of manufacturing vertical-cavity surface-emitting laser device and vertical-cavity surface-emitting laser device (2011-02-15),

11. 7885307 - Vertical-cavity surface-emitting semiconductor laser device (2011-02-08),

12. 7881353 - Surface emitting laser element array (2011-02-01),

13. 7801198 - Surface emitting laser element and method of fabricating the same (2010-09-21),

14. 7778297 - Surface emitting laser element and method of fabricating the same (2010-08-17),

15. 7577176 - Surface emitting laser device (2009-08-18),

Title: The Innovative Mind of Takeo Kageyama

Introduction: Takeo Kageyama, an accomplished inventor based in Tokyo, Japan, is renowned for his pioneering contributions to the field of photoelectric technologies. With a remarkable portfolio of 16 patents, Kageyama has made significant strides in the development of advanced photoelectric conversion elements and devices.

Latest Patents: One of Kageyama's most notable patents is for a photoelectric conversion element that incorporates various layers on a substrate, including a buffer layer, a back surface field (BSF) layer, a base layer, a photoelectric conversion layer, and an emitter layer. This innovative design allows for optimal light absorption through quantum dots, enhancing the efficiency of solar energy conversion. Another key patent of his involves vertical cavity surface emitting laser elements that integrate complex multilayer structures to improve light emission capabilities. These inventions highlight Kageyama's expertise in harnessing light and energy, making significant advancements in renewable energy technologies.

Career Highlights: Throughout his career, Takeo Kageyama has worked with prestigious companies such as The Furukawa Electric Company, Ltd. and Sharp Corporation. His experience in these organizations has allowed him to refine his innovations and contribute to large-scale technological advancements that benefit various industries.

Collaborations: Kageyama's inventive journey has been enriched by his collaboration with talented individuals such as Norihiro Iwai and Hitoshi Shimizu. These partnerships have fostered an exchange of ideas and innovation, propelling his research and development efforts forward.

Conclusion: Takeo Kageyama's dedication to innovation is clearly reflected in his substantial patent portfolio and impactful collaborations. As a driving force in the realm of photoelectric technologies, Kageyama continues to inspire future generations of inventors and engineers, solidifying his legacy in the field of technological advancements.

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