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Ishikawa, Japan

Soko Kagaku Co., Ltd.

USPTO Granted Patents = 23

EPO Patents = 9

Forward Citations = 123

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21 inventors (with patents filed for the assignee):

Akira Hirano (20 out of 58 patents)

Cyril Pernot (8 out of 25 patents)

Yosuke Nagasawa (6 out of 12 patents)

4. Ko Aosaki (5 out of 38 patents)

5. Tetsuhiko Inazu (4 out of 37 patents)

6. Masamichi Ippommatsu (4 out of 25 patents)

7. Yuta Furusawa (2 out of 7 patents)

8. Shigefusa Chichibu (2 out of 8 patents)

9. Kazunobu Kojima (2 out of 3 patents)

10. Kiho Yamada (2 out of 2 patents)

11. Shoko Nagai (2 out of 2 patents)

12. Myunghee Kim (2 out of 2 patents)

13. Hiroshi Amano (2 out of 13 patents)

14. Noritaka Niwa (1 out of 28 patents)

15. Satoshi Kamiyama (1 out of 18 patents)

23 patents: Sort by Forward Citations

1. 11217726 - Nitride semiconductor ultraviolet light-emitting element (2022-01-04),

2. 11152543 - Nitride semiconductor light-emitting element (2021-10-19),

3. 11107961 - Ultraviolet light-emitting device, method for manufacturing ultraviolet light-emitting device and method for manufacturing ultraviolet light-emitting module (2021-08-31),

4. 11049999 - Template, nitride semiconductor ultraviolet light-emitting element, and method of manufacturing template (2021-06-29),

5. 10643849 - Manufacturing method of nitride semiconductor ultraviolet light emitting element, and nitride semiconductor ultraviolet light emitting element (2020-05-05),

6. 10505087 - Method for manufacturing nitride semiconductor ultraviolet light-emitting element and nitride semiconductor ultraviolet light-emitting element (2019-12-10),

7. 10412829 - Nitride semiconductor light-emitting element base and manufacturing method thereof (2019-09-10),

8. 10396244 - Nitride semiconductor light emitting element (2019-08-27),

9. 10388834 - Nitride semiconductor wafer, manufacturing method thereof, nitride semiconductor ultraviolet light-emitting element, and nitride semiconductor ultraviolet light-emitting device (2019-08-20),

10. 10361346 - Nitride semiconductor ultraviolet light emitting device and method for manufacturing same (2019-07-23),

11. 10297715 - Nitride semiconductor ultraviolet light-emitting element (2019-05-21),

12. 9972758 - Ultraviolet light emitting device (2018-05-15),

13. 9812611 - Nitride semiconductor ultraviolet light-emitting element and nitride semiconductor ultraviolet light-emitting device (2017-11-07),

14. 9556535 - Template for epitaxial growth, method for producing the same, and nitride semiconductor device (2017-01-31),

15. 9502606 - Nitride semiconductor ultraviolet light-emitting element (2016-11-22),

SOKO KAGAKU CO., LTD. is a leading manufacturer in the chemical industry, dedicated to providing high-quality chemical products and services. With a strong expertise in research and development, SOKO KAGAKU offers a wide range of innovative solutions for various industries such as automotive, electronics, and healthcare. Our commitment to sustainability and customer satisfaction sets us apart in the market, as we strive to contribute to a better, more sustainable future through our products. For more information about our company, please visit our website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

23 Patents

#9 in Ishikawa

#2,645 in Japan

#26,820 in the World

Ishikawa, Japan

Soko Kagaku Co., Ltd.

Forward Citations = 123

21 inventors:

Akira Hirano (20 out of 58 patents)

Cyril Pernot (8 out of 25 patents)

Yosuke Nagasawa (6 out of 12 patents)

4. Ko Aosaki (5 out of 38 patents)

5. Tetsuhiko Inazu (4 out of 37 patents)

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