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Nakanishi Inc.

USPTO Granted Patents = 107

CIPO Patents = 3

EPO Patents = 33

Trademarks = 45

Forward Citations = 855

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49 inventors (with patents filed for the assignee):

Takeshi Kagawa (21 out of 21 patents)

Takasuke Nakanishi (11 out of 22 patents)

Eiichi Nakanishi (10 out of 10 patents)

4. Shinichi Tanaka (8 out of 9 patents)

5. Toshinari Sanga (8 out of 8 patents)

6. Masaki Nakagawa (5 out of 5 patents)

7. Kiyoshi Kawakubo (5 out of 5 patents)

8. Masanori Mizunuma (5 out of 7 patents)

9. Tetsuji Suzuki (4 out of 4 patents)

10. Daniele Giovanni Ongaro (4 out of 11 patents)

11. Takao Kimura (4 out of 4 patents)

12. Akito Nakamura (3 out of 3 patents)

13. Keita Yokochi (3 out of 3 patents)

14. Shinichiro Muto (3 out of 3 patents)

15. Tomohiro Sakanushi (3 out of 3 patents)

Core Competencies:

Dental Handpiece

Ultrasonic Medical Instrument

Surgical Bur

Transducer Cover

Electric Motor

Autoclave

Sterilizer

Foot Control

Maintenance Checking System

Light-Emitting Device

Scaler Tip

Controller for Dental Equipment

107 patents: Sort by Forward Citations

1. 12453618 - Abnormality determination device and abnormality determination method for dental handpiece (2025-10-28),

2. 12285306 - Dental handpiece and dental handpiece with cleaning adapter (2025-04-29),

3. 11806024 - Surgical bur (2023-11-07),

4. 11413014 - Transducer cover, method for forming the cover, and ultrasonic medical instrument with the cover (2022-08-16),

5. D924409 - Controller for handpiece (2021-07-06),

6. D916292 - Foot control for dental equipment (2021-04-13),

7. D914879 - Dental handpiece (2021-03-30),

8. D908888 - Controller for dental equipment (2021-01-26),

9. D908887 - Controller for dental equipment (2021-01-26),

10. D904614 - Dental handpiece (2020-12-08),

11. D895801 - Tip for ultrasonic handpiece for oral surgery (2020-09-08),

12. 10758318 - Electric motor and dental device (2020-09-01),

13. D890357 - Sterilizer (2020-07-14),

14. 10478268 - Electric motor and dental device (2019-11-19),

15. 10433931 - Dental handpiece nozzle (2019-10-08),

Nakanishi Inc. is a global manufacturing company specializing in high-performance rotary tools and air motors. With over 70 years of experience and expertise, Nakanishi Inc. is known for producing innovative and reliable products that meet the needs of various industries, including automotive, aerospace, medical, and more. Our commitment to quality and customer satisfaction has earned us a reputation as a trusted partner in the manufacturing sector. Visit our website to learn more about our range of products and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

107 Patents

#1 in Kanuma

#1,052 in Japan

#7,109 in the World

Nakanishi Inc.

Forward Citations = 855

49 inventors:

Takeshi Kagawa (21 out of 21 patents)

Takasuke Nakanishi (11 out of 22 patents)

Eiichi Nakanishi (10 out of 10 patents)

4. Shinichi Tanaka (8 out of 9 patents)

5. Toshinari Sanga (8 out of 8 patents)

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