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Nihon Kohden Corporation

USPTO Granted Patents = 554

EPO Patents = 207

Trademarks = 19

Forward Citations = 11,250

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477 inventors (with patents filed for the assignee):

Teiji Ukawa (46 out of 46 patents)

Shinji Yamamori (32 out of 33 patents)

Naoki Kobayashi (27 out of 151 patents)

4. Naoki Kobayashi (27 out of 40 patents)

5. Hidehiro Hosaka (26 out of 28 patents)

6. Kazumasa Ito (25 out of 64 patents)

7. Yoshihiro Sugo (25 out of 25 patents)

8. Norihito Konno (23 out of 23 patents)

9. Sunao Takeda (21 out of 23 patents)

10. Fumihiko Takatori (20 out of 20 patents)

11. Fumiyuki Matsumura (19 out of 21 patents)

12. Hideki Fujisaki (17 out of 17 patents)

13. Kohei Ono (17 out of 19 patents)

14. Takuo Aoyagi (17 out of 17 patents)

15. Yoshinori Ueda (16 out of 32 patents)

Core Competencies:

Medical Sensors

Pulse Oximetry

Automated External Defibrillator

Physiological Information Processing

Electrocardiogram Analyzer

Vital Sign Monitoring

Gas Measurement

Fluid Balance Management

Brain-Machine Interface

Cerebrovascular Stenosis Monitoring

Portable Electrocardiograph

Muscle Relaxation Monitoring

554 patents: Sort by Forward Citations

1. 12502120 - Muscle relaxation monitoring apparatus and patient monitor (2025-12-23),

2. 12491372 - Automated external defibrillator and method for displaying state of automated external defibrillator (2025-12-09),

3. 12490940 - Physiological parameter calculation device and non-transitory computer-readable medium (2025-12-09),

4. 12478327 - Medical sensor, reusable portion of medical sensor, and disposable portion of medical sensor (2025-11-25),

5. 12458261 - Medical photometer (2025-11-04),

6. 12446821 - Muscle relaxation monitoring apparatus and calibration processing method (2025-10-21),

7. 12446806 - Medical photometer and medical photometry system (2025-10-21),

8. 12440155 - Physiological information processing method, physiological information processing device, and physiological information processing system (2025-10-14),

9. 12419611 - Patient monitor, physiological information measurement system, program to be used in patient monitor, and non-transitory computer readable medium in which program to be used in patient monitor is stored (2025-09-23),

10. 12414700 - Monitoring device and physiological signal processing device (2025-09-16),

11. 12408850 - Pulse oximeter, pulse oximetry system, processing device, and pulse oximetry method (2025-09-09),

12. 12390652 - Automated external defibrillator (2025-08-19),

13. 12383691 - Gas measurement adapter (2025-08-12),

14. 12383195 - Physiological information processing apparatus, physiological information processing method and storage medium (2025-08-12),

15. 12377276 - Pulse discrimination device and electrocardiogram analyzer (2025-08-05),

Nihon Kohden Corporation is a leading Japanese manufacturer and provider of medical electronic equipment. With over 65 years of experience, the company specializes in the development and production of a wide range of medical devices, including patient monitors, electroencephalographs (EEGs), and diagnostic imaging systems. Nihon Kohden's advanced technology and innovative solutions contribute to improving patient care and medical outcomes globally.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

554 Patents

#154 in Tokyo

#346 in Japan

#1,703 in the World

Nihon Kohden Corporation

Forward Citations = 11,250

477 inventors:

Teiji Ukawa (46 out of 46 patents)

Shinji Yamamori (32 out of 33 patents)

Naoki Kobayashi (27 out of 151 patents)

4. Naoki Kobayashi (27 out of 40 patents)

5. Hidehiro Hosaka (26 out of 28 patents)

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