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Nittoh Inc.

USPTO Granted Patents = 40

EPO Patents = 19

Forward Citations = 24

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20 inventors (with patents filed for the assignee):

Takahiko Matsuo (13 out of 15 patents)

Takafumi Hanaoka (5 out of 5 patents)

Kazuhiro Oe (4 out of 6 patents)

4. Takuya Kageyama (4 out of 7 patents)

5. Jeffrey Alan Gohman (3 out of 41 patents)

6. Junichi Endo (3 out of 3 patents)

7. Keiichi Mochizuki (3 out of 6 patents)

8. Kohei Kaneko (2 out of 2 patents)

9. Takuya Fujimatsu (2 out of 2 patents)

10. Takashi Yamaguchi (2 out of 4 patents)

11. Takashi Iwamoto (2 out of 4 patents)

12. Akira Sawamoto (1 out of 1 patent)

13. Kenji Iijima (1 out of 1 patent)

14. Yasuhiro Koike (1 out of 58 patents)

15. Akihiro Tagaya (1 out of 5 patents)

Core Competencies:

Image-Forming Optical System

Projection Device

Imaging Device

Optical Filter

Lens Barrel

Zoom Lens System

Optical Diaphragm Device

Projection Optical Assembly

Cylindrical Lens

Mirror Holding Mechanism

Illumination Module

Camera Device

40 patents: Sort by Forward Citations

1. 12487436 - Image-forming optical system, projection device, and imaging device (2025-12-02),

2. 12411323 - Optical system having intermediate image formed therein (2025-09-09),

3. 12393001 - Lens for filming (2025-08-19),

4. 12111486 - Optical filter and imaging lens unit (2024-10-08),

5. 12019356 - Lens barrel and interchangeable lens camera (2024-06-25),

6. 11867889 - Lens system and imaging apparatus (2024-01-09),

7. 11815792 - Lens barrel (2023-11-14),

8. 11720007 - Projection optical system and projector apparatus (2023-08-08),

9. 11550115 - Lens barrel and camera device (2023-01-10),

10. 11536935 - Lens system and image pickup apparatus (2022-12-27),

11. 11500134 - Optical diaphragm device, lens barrel and imaging device or projection device (2022-11-15),

12. 11467372 - Lens system and image pickup apparatus (2022-10-11),

13. 11378788 - Zoom lens system and imaging apparatus (2022-07-05),

14. 11314042 - Optical system for image pickup, and image pickup device (2022-04-26),

15. 11194136 - Optical system for image pickup and image pickup apparatus (2021-12-07),

NITTOH INC. is a Japanese company specializing in the manufacturing and distribution of industrial machinery and equipment. With over 50 years of experience, NITTOH has established itself as a leading provider of innovative solutions for various industries including automotive, electronics, and medical. Their expertise lies in the development of advanced technologies and high-quality products that meet the specific needs of their clients. NITTOH is committed to delivering exceptional customer service and maintaining long-term partnerships with their clients around the 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

#1 in Suwa

#1,934 in Japan

#16,570 in the World

Nittoh Inc.

Forward Citations = 24

20 inventors:

Takahiko Matsuo (13 out of 15 patents)

Takafumi Hanaoka (5 out of 5 patents)

Kazuhiro Oe (4 out of 6 patents)

4. Takuya Kageyama (4 out of 7 patents)

5. Jeffrey Alan Gohman (3 out of 41 patents)

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