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Hirotaka Sakuma

USPTO Granted Patents = 15 (Patent Applications = 5)

EPO Patents = 4 (Patent Applications = 7)

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 62(Granted Patents)

Location History:

Kokubunji, JP (2010 - 2012)
Tokyo, JP (2016 - 2018)
Hitachinaka, JP (2012 - 2022)

Company Filing History:

Showa Denko Materials Co., Ltd.

Years Active: 2010-2025

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12202934 - Charge-transport polymer and organic electronic element (2025-01-21),

2. 11476421 - Organic electronics material and organic electronics element (2022-10-18),

3. 11118005 - Composition, hole transport material composition, and ink composition (2021-09-14),

4. 9954193 - Material for forming organic light-emitting layer, coating liquid for forming organic light-emitting element, organic light-emitting element and light source device, and method for manufacturing same (2018-04-24),

5. 9935291 - Organic light-emitting device, light source device using same, organic light-emitting layer material, coating liquid for forming organic light-emitting layer, and method for producing organic light-emitting device (2018-04-03),

6. 9570717 - Organic luminescent materials, coating solution using same for organic (2017-02-14),

7. 9496516 - Organic light-emitting element, light source device and method of manufacturing organic light-emitting element (2016-11-15),

8. 9306177 - Organic light-emitting layer material, coating liquid for use in forming organic light-emitting layer with organic material, organic light-emitting device produced with coating liquid, light source apparatus with organic light-emitting device, and methods for manufacture thereof (2016-04-05),

9. 9281489 - Organic luminescent materials, coating solution using organic luminescent materials for organic emitting layer, organic light emitting device using coating solution, light source device using organic light emitting device and method of organic light emitting device (2016-03-08),

10. 9118031 - Organic light-emitting device, coating liquid for forming organic light-emitting device, material for forming organic light-emitting device, light source device using organic light-emitting device, and organic light-emitting device producing method (2015-08-25),

11. 9105856 - Organic luminescent materials, coating solution using same for organic (2015-08-11),

12. 8729536 - Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device (2014-05-20),

13. 8319211 - Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device (2012-11-27),

14. 8115388 - Plasma display device (2012-02-14),

15. 7786659 - Plasma display with a novel green-silicate phosphor (2010-08-31),

Title: Meet Hirotaka Sakuma: A Pioneer in Organic Electronics

Introduction

Hirotaka Sakuma is a notable inventor based in Hitachinaka, Japan, recognized for his significant contributions to the field of organic electronics. With a remarkable portfolio of 14 patents, Sakuma's innovative spirit has played a vital role in advancing technology in this area.

Latest Patents

Sakuma's latest innovations include groundbreaking patents on organic electronic materials and elements. One embodiment of his work discusses an organic electronic material that incorporates a charge transport polymer. This polymer showcases unique properties when mixed with methanol and toluene, enabling the development of cloudiness in solutions, thus enhancing its application in electronic devices. Additionally, he has contributed to a patent focused on a composition that includes a polymer or oligomer and an initiator, characterized by the absence of long alkyl groups. This composition can adapt its solubility through the application of heat, light, or both, marking a significant breakthrough in the ink composition used in electronic applications.

Career Highlights

Hirotaka Sakuma's career is highlighted by his impressive tenure at reputable companies such as Hitachi, Ltd. and Showa Denko Materials Co., Ltd. His work at these organizations has not only propelled his career but also significantly influenced the field of organic electronics.

Collaborations

Throughout his career, Sakuma has collaborated with prominent colleagues, including Sukekazu Aratani and Hiroshi Sasaki. These partnerships have enriched his research and development efforts, facilitating a collaborative environment that fosters innovation.

Conclusion

Hirotaka Sakuma stands as a prominent figure in the realm of organic electronics. With his innovative patents and collaborative spirit, he continues to make substantial contributions to the field, paving the way for future advancements in technology. His work serves as an inspiration and reinforces the importance of creativity and collaboration in innovation.

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