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Nidek Co., Ltd.

USPTO Granted Patents = 833

EPO Patents = 279

Trademarks = 6

Forward Citations = 7,172

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371 inventors (with patents filed for the assignee):

Ryoji Shibata (54 out of 54 patents)

Masaaki Hanebuchi (46 out of 46 patents)

Naoki Isogai (40 out of 40 patents)

4. Toshiaki Mizuno (38 out of 39 patents)

5. Masanao Fujieda (35 out of 35 patents)

6. Yoshinobu Hosoi (28 out of 28 patents)

7. Hirokatsu Obayashi (27 out of 27 patents)

8. Norimasa Satake (26 out of 26 patents)

9. Kyoji Takeichi (26 out of 26 patents)

10. Toshifumi Sumiya (25 out of 27 patents)

11. Akihiro Hayashi (25 out of 26 patents)

12. Motoshi Tanaka (24 out of 24 patents)

13. Michihiro Takii (23 out of 23 patents)

14. Yukihiro Higuchi (23 out of 23 patents)

15. Minoru Inuzuka (23 out of 24 patents)

Core Competencies:

OCT Device

Ophthalmology Information Processing

Eyeglasses Lens Measurement

Ophthalmic Image Processing

Ultrasonic Tonometer

Intraocular Lens

Subjective Optometry

Medical Image Processing

Dyeing System

Ophthalmologic Imaging

Fundus Imaging Apparatus

Optometry System

833 patents: Sort by Forward Citations

1. 12507884 - Ophthalmic apparatus (2025-12-30),

2. 12490898 - Ophthalmic system (2025-12-09),

3. 12440097 - OCT device (2025-10-14),

4. 12435467 - Dyeing system (2025-10-07),

5. 12407919 - Ophthalmology information processing method, control method, and ophthalmology information processing system (2025-09-02),

6. 12366033 - Dyeing data management method and dyeing system (2025-07-22),

7. 12352651 - Eyeglasses lens measurement device and non-transitory computer-readable storage medium (2025-07-08),

8. 12343082 - Ophthalmologic measurement apparatus, ophthalmologic measurement system, and ophthalmologic measurement program (2025-07-01),

9. 12343079 - Non-transitory computer-readable storage medium and subjective optometry system (2025-07-01),

10. 12304836 - Grinding water treatment device for eyeglasses lens processing (2025-05-20),

11. 12293518 - Ophthalmic image processing device, OCT device, and non-transitory computer-readable storage medium (2025-05-06),

12. 12293512 - Ophthalmic image processing device and ophthalmic image processing method (2025-05-06),

13. 12274504 - Non-contact ultrasonic ophthalmotonometer (2025-04-14),

14. 12232813 - Ophthalmic image processing device, ophthalmic image processing program, and ophthalmic image processing system (2025-02-25),

15. 12227018 - Dye-deposited base body manufacturing apparatus and dyeing system (2025-02-18),

Nidek Co., Ltd. is a leading manufacturer of ophthalmic equipment, including diagnostic and surgical devices for the eye care industry. The company offers a wide range of products such as refractive and retinal imaging systems, laser systems, and intraocular lenses. Nidek is known for its innovative technology, high-quality products, and commitment to improving the vision care experience for both patients and practitioners.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

833 Patents

#4 in Aichi

#253 in Japan

#1,175 in the World

Nidek Co., Ltd.

Forward Citations = 7,172

371 inventors:

Ryoji Shibata (54 out of 54 patents)

Masaaki Hanebuchi (46 out of 46 patents)

Naoki Isogai (40 out of 40 patents)

4. Toshiaki Mizuno (38 out of 39 patents)

5. Masanao Fujieda (35 out of 35 patents)

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