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Sophia School Corporation

USPTO Granted Patents = 40

EPO Patents = 10

Forward Citations = 42

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59 inventors (with patents filed for the assignee):

Katsumi Kishino (32 out of 32 patents)

Shunsuke Ishizawa (8 out of 9 patents)

Ichiro Nomura (5 out of 91 patents)

4. Takafumi Noda (5 out of 53 patents)

5. Hiroki Nishioka (4 out of 11 patents)

6. Akihiko Kikuchi (4 out of 10 patents)

7. Tsunenori Asatsuma (4 out of 25 patents)

8. Hitoshi Nakamura (4 out of 58 patents)

9. Sumiko Fujisaki (3 out of 11 patents)

10. Koshi Tamamura (3 out of 21 patents)

11. Takeshi Kikawa (3 out of 9 patents)

12. Hisato Yabuta (2 out of 55 patents)

13. Hiroshi Uchida (2 out of 70 patents)

14. Makoto Kubota (2 out of 153 patents)

15. Takayuki Watanabe (2 out of 56 patents)

Core Competencies:

Light Emitting Device

Projector Technology

Lithium-Ion Battery

Optical Element

Plant Cultivation Method

Piezoelectric Material

Semiconductor Laser Diode

Group-III Nitride Structure

Long-Term Memory Inducing Agent

Liquid Discharge Head

Optical Semiconductor Devices

Columnar Crystal

40 patents: Sort by Forward Citations

1. 12316077 - Light emitting apparatus and projector (2025-05-27),

2. 12308617 - Light emitting device and projector (2025-05-20),

3. 12224556 - Light emitting device, projector, and display (2025-02-11),

4. 12218488 - Light emitting apparatus and projector (2025-02-04),

5. 12211954 - Light emitting apparatus and projector (2025-01-28),

6. 12199408 - Light emitting apparatus and projector (2025-01-14),

7. 12199402 - Light emitting device and projector (2025-01-14),

8. 12113334 - Light emitting device and projector (2024-10-08),

9. 11973318 - Light emitting device and projector (2024-04-30),

10. 11961964 - Method of producing lithium-ion secondary battery, lithium-ion secondary battery, and method of using zwitterionic compound (2024-04-16),

11. 11955582 - Light emitting apparatus and projector (2024-04-09),

12. 11803115 - Light-emitting device and projector (2023-10-31),

13. 11626533 - Light emitting device and projector (2023-04-11),

14. 11588300 - Light emitting device, projector, and display (2023-02-21),

15. 11552216 - Light emitting apparatus and projector (2023-01-10),

Sophia School Corporation is a leading educational institution committed to providing quality education and holistic development to students. With a focus on academic excellence, character building, and instilling a love for lifelong learning, Sophia School Corporation strives to empower students with the knowledge and skills necessary for success in a rapidly changing world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

40 Patents

#817 in

#1,934 in

#16,568 in the World

Sophia School Corporation

Forward Citations = 42

59 inventors:

Katsumi Kishino (32 out of 32 patents)

Shunsuke Ishizawa (8 out of 9 patents)

Ichiro Nomura (5 out of 91 patents)

4. Takafumi Noda (5 out of 53 patents)

5. Hiroki Nishioka (4 out of 11 patents)

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