Company Filing History:

14 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

1 out of 328

Hodogaya Chemical Co., Ltd.

patents

1 out of 115

Matsushita Electrical Industrial Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1990-2004

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6831406 - Electroluminescent device having a very thin emission layer (2004-12-14),

2. 6730929 - Organic electroluminescent device (2004-05-04),

3. 6392338 - Organic light emitter having optical waveguide for propagating light along the surface of the substrate (2002-05-21),

4. 6277503 - Organic electroluminescent component (2001-08-21),

5. 6198217 - Organic electroluminescent device having a protective covering comprising organic and inorganic layers (2001-03-06),

6. 5707747 - Amine compound and electro-luminescence device comprising same (1998-01-13),

7. 5424907 - Solid electrolytic capacitors and method for manufacturing the same (1995-06-13),

8. 5223120 - Method for fabricating solid electrolytic capacitors using an organic (1993-06-29),

9. 5187650 - Solid electrolytic capacitors and method for manufacturing the same (1993-02-16),

10. 5187649 - Solid electrolytic capacitor and method for manufacturing the same (1993-02-16),

11. 5140502 - Solid electrolytic capacitors and method for manufacturing the same (1992-08-18),

12. 5117332 - Solid electrolytic capacitors and method for manufacturing the same (1992-05-26),

13. 5071521 - Method for manufacturing a solid electrolytic capacitor (1991-12-10),

14. 4959753 - Solid electrolytic capacitor and method of manufacturing the same (1990-09-25),

15. 4943892 - Solid electrolytic capacitor and method for manufacturing the same (1990-07-24),

Title: Masao Fukuyama: A Pioneer in Organic Electroluminescent Devices

Introduction

Masao Fukuyama is a renowned inventor based in Kawasaki, Japan, known for his significant contributions to the field of organic electroluminescent devices. With a remarkable portfolio of 15 patents, Fukuyama has established himself as a key figure in advancing technologies that enhance energy efficiency and lighting applications.

Latest Patents

Fukuyama's latest patents focus on innovative designs for organic electroluminescent devices. One notable invention details an electroluminescent device featuring a very thin emission layer—specifically, an organic electroluminescent device that includes a pair of electrodes and a layer structure positioned between them. This layer structure encompasses a charge transport layer capable of transporting electrons or holes, alongside an emission layer primarily composed of an organic material that emits light when a voltage is applied. Remarkably, this emission layer exhibits a thickness of 4 nanometers or below and undergoes concentration quenching. Another significant patent describes an organic electroluminescent device with a specific type of oligomer in its emission layer, further enhancing the device's performance and efficiency.

Career Highlights

Fukuyama has worked with prestigious companies, including Matsushita Electric Industrial Co., Ltd. and Hodogaya Chemical Co., Ltd. His tenure at these organizations has allowed him to apply his innovative ideas in practical applications, leading to breakthroughs in the field of organic electroluminescent technology.

Collaborations

Throughout his career, Fukuyama has collaborated with esteemed colleagues such as Toshikuni Kojima and Yasuo Kudoh. Their joint efforts have contributed to advancements in their respective fields and have fostered a collaborative environment for generating innovative ideas.

Conclusion

Masao Fukuyama's work in organic electroluminescent devices showcases his dedication to innovation and excellence in technology. His extensive portfolio of patents signifies his role as a leading inventor and highlights his contributions to enhancing modern lighting solutions. As technology continues to evolve, Fukuyama's inventions will undoubtedly play a crucial role in shaping the future of electroluminescent devices.

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