Company Filing History:

9 out of 713

Konica-minolta Holdings, Inc.

Years Active: 1999-2017

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9780322 - Organic electroluminescent element (2017-10-03),

2. 9541681 - Light extraction sheet, organic electroluminescence element and illumination device (2017-01-10),

3. 9006711 - White organic electroluminescent element and lighting device (2015-04-14),

4. 8987711 - Organic electroluminescence element, method for producing organic electroluminescence element, and illumination device using organic electroluminescence element (2015-03-24),

5. 8686630 - Organic electroluminescence element and illumination device using the same (2014-04-01),

6. 8569087 - Method for manufacturing organic electronic element (2013-10-29),

7. 8518558 - Organic electroluminescent element (2013-08-27),

8. 8518556 - Electroluminescent element (2013-08-27),

9. 8304764 - Organic electroluminescent element (2012-11-06),

10. 7745990 - White light emitting organic electroluminescent element and lighting device (2010-06-29),

11. 6821584 - Ink-jet recording medium (2004-11-23),

12. 6171774 - Silver halide photographic light-sensitive material (2001-01-09),

13. 5928850 - Silver halide photographic light-sensitive material (1999-07-27),

14. 5888715 - Silver halide color photographic light-sensitive material (1999-03-30),

Title: Kunimasa Hiyama: Innovator in Organic Electroluminescent Technology

Introduction

Kunimasa Hiyama is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of organic electroluminescent elements, holding a total of 14 patents. His work has advanced the technology used in lighting and display systems, showcasing his innovative spirit and technical expertise.

Latest Patents

Hiyama's latest patents include groundbreaking developments in organic electroluminescent elements. One notable patent describes an organic electroluminescent element that features a hole injection layer, two hole transport layers, and a light-emitting layer. This configuration enhances the efficiency and performance of the device. Another patent focuses on a novel light extraction sheet that improves light extraction efficiency while minimizing color change with varying angles of observation. This innovation is crucial for the development of high-quality organic EL elements and illumination devices.

Career Highlights

Throughout his career, Kunimasa Hiyama has worked with notable companies such as Konica Minolta Holdings, Inc. and Konica Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in technology.

Collaborations

Hiyama has collaborated with esteemed colleagues, including Shigeru Kojima and Takeshi Ono. These partnerships have fostered a creative environment that has led to innovative solutions in the field of organic electroluminescence.

Conclusion

Kunimasa Hiyama's contributions to organic electroluminescent technology have established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing technology and improving lighting solutions.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.