Kunio Ishida

This inventor holds 12 USPTO granted patents and 5 published patent applications and 7 EPO patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.. Active years: 2012-2020.

USPTO Granted Patents = 12 (Patent Applications = 5)

% Patents Active = 75.0

EPO Patents = 7 (Patent Applications = 10)

Average Co-Inventor Count = 5.3

ph-index = 3

Forward Citations = 19(Granted Patents)

Location History:

Tokyo, JP (2012 - 2018)
Fuchu, JP (2015 - 2020)

Company Filing History:

12 out of 53,240

Kabushiki Kaisha Toshiba

patents

2 out of 266

Toshiba Materials Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2012-2020

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10711186 - Phosphor, producing method thereof, and light-emitting device employing the phosphor (2020-07-14),

2. 10519368 - Phosphor, manufacturing method thereof, and light-emitting device using the phosphor (2019-12-31),

3. 10032967 - Phosphor and light-emitting device (2018-07-24),

4. 9520540 - Light-emitting device with phosphor excited by blue excitation light (2016-12-13),

5. 9349925 - Light emitting device with oxynitride phosphors (2016-05-24),

6. 8974697 - Luminescent material (2015-03-10),

7. 8921878 - Light emitting device (2014-12-30),

8. 8907558 - White light emitting device with red and green-yellow phosphor (2014-12-09),

9. 8836211 - White light emitting device containing three fluorescent materials having different peak wavelengths (2014-09-16),

10. 8552437 - Fluorescent substance, process for production of fluorescent substance, light-emitting device and light-emitting module (2013-10-08),

11. 8436527 - Light emitting device (2013-05-07),

12. 8278821 - Light emitting device (2012-10-02),

Title: Kunio Ishida: Innovator in Phosphor Technology

Introduction

Kunio Ishida is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of phosphor technology, holding a total of 12 patents. His work focuses on improving the efficiency and effectiveness of light-emitting devices.

Latest Patents

Ishida's latest patents include innovative methods for producing phosphors and light-emitting devices that utilize these phosphors. One of his notable inventions is a phosphor that enhances the emission intensity maintenance ratio without compromising the overall emission intensity. This phosphor is activated by manganese and features a basic structure that includes elements such as potassium, sodium, calcium, silicon, titanium, and fluorine. Another significant patent involves a red-light emitting phosphor characterized by a specific Raman spectrum, produced through a unique chemical process involving potassium permanganate and hydrogen fluoride.

Career Highlights

Throughout his career, Kunio Ishida has worked with notable companies, including Kabushiki Kaisha Toshiba and Toshiba Materials Co., Ltd. His experience in these organizations has allowed him to develop and refine his expertise in phosphor technology.

Collaborations

Ishida has collaborated with several talented individuals in his field, including Ryosuke Hiramatsu and Keiko Albessard. These partnerships have contributed to the advancement of his research and innovations.

Conclusion

Kunio Ishida's work in phosphor technology exemplifies his dedication to innovation and improvement in light-emitting devices. His numerous patents reflect his significant impact on the industry and his commitment to advancing technology.