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Tomey Corporation

USPTO Granted Patents = 63

EPO Patents = 46

Trademarks = 3

Forward Citations = 219

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58 inventors (with patents filed for the assignee):

Chihiro Kato (19 out of 19 patents)

Keiichiro Okamoto (17 out of 17 patents)

Yuji Nozawa (13 out of 13 patents)

4. Masahiro Yamanari (10 out of 10 patents)

5. Takashi Kamo (7 out of 7 patents)

6. Tsutomu Ohmori (7 out of 7 patents)

7. Naoko Hara (6 out of 6 patents)

8. Risa Higashita (5 out of 5 patents)

9. Satoshi Sugiyama (5 out of 9 patents)

10. Fushi Li (4 out of 4 patents)

11. Guangchun Bian (3 out of 3 patents)

12. Nobuyori Aoki (3 out of 3 patents)

13. Shinji Ishiguro (3 out of 3 patents)

14. Toshiharu Morino (3 out of 3 patents)

15. Tomoki Hori (2 out of 2 patents)

Core Competencies:

Optical Coherence Tomography

Ophthalmic Device

Tomographic Image Processing

Ophthalmological Device

Eye Refractive Power Measuring

Anterior Eye Imaging

Multi-Channel Optical Coherence Tomography

Wavelength-Swept Light Source

Optical Tomographic Imaging

Speed Measuring Device

Calibration Reflecting Surfaces

63 patents: Sort by Forward Citations

1. 12467736 - Signal processing device, OCT device, signal processing method, and program (2025-11-11),

2. 12458221 - Tomographic image processing device and program (2025-11-04),

3. 12376743 - Ophthalmic device (2025-08-05),

4. 12207873 - Optical coherence tomographic device (2025-01-28),

5. 12059209 - Optical coherence tomographic device and non-transitory computer-readable recording medium storing computer-readable instructions for optical coherence tomographic device (2024-08-13),

6. 11857255 - Ophthalmic apparatus (2024-01-02),

7. 11659992 - Ophthalmic apparatus (2023-05-30),

8. 11642019 - Ophthalmic device (2023-05-09),

9. 11478146 - Optical coherence tomographic device (2022-10-25),

10. 11369265 - Ophthalmic apparatus (2022-06-28),

11. 11363947 - Optical coherence tomographic device and light source (2022-06-21),

12. 11311191 - Ophthalmic apparatus (2022-04-26),

13. 11243066 - Optical coherence tomographic device comprising dual correction beams of different path lengths (2022-02-08),

14. 11229359 - Ophthalmological device (2022-01-25),

15. 11202562 - Ophthalmic apparatus (2021-12-21),

TOMEY CORPORATION is a global leader in the development and manufacturing of innovative medical devices for the ophthalmic and optometric fields. With a commitment to advancing eye care, TOMEY offers a comprehensive range of diagnostic and imaging instruments, including devices for refraction, corneal topography, anterior segment analysis, and ultrasound biomicroscopy. TOMEY's cutting-edge technologies and high-quality products are trusted by eye care professionals worldwide to improve patient care and clinical outcomes.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

63 Patents

#20 in Nagoya

#1,454 in Japan

#11,184 in the World

Tomey Corporation

Forward Citations = 219

58 inventors:

Chihiro Kato (19 out of 19 patents)

Keiichiro Okamoto (17 out of 17 patents)

Yuji Nozawa (13 out of 13 patents)

4. Masahiro Yamanari (10 out of 10 patents)

5. Takashi Kamo (7 out of 7 patents)

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