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Rion Kabushiki Kaisha

USPTO Granted Patents = 19

Trademarks = 1

Forward Citations = 728

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19 inventors (with patents filed for the assignee):

Yoshiyuki Narisawa (8 out of 8 patents)

Yozo Marutake (4 out of 4 patents)

Tatsuro Fukutome (4 out of 4 patents)

4. Mikio Shiba (2 out of 3 patents)

5. Toshiyuki Araki (2 out of 33 patents)

6. Motomu Asami (2 out of 2 patents)

7. Noboru Inoue (2 out of 14 patents)

8. Kiyoharu Hori (2 out of 3 patents)

9. Kunihiko Fukuyama (2 out of 2 patents)

10. Takuo Yamamoto (2 out of 2 patents)

11. Makoto Tateno (1 out of 4 patents)

12. Hidemichi Komura (1 out of 1 patent)

13. Yasuo Inaba (1 out of 1 patent)

14. Takayuki Kurita (1 out of 1 patent)

15. Katsumi Tanaka (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. D497001 - Hearing aid (2004-10-06),

2. D497000 - Hearing aid (2004-10-06),

3. 6041128 - Battery receiving chamber and hearing aid (2000-03-21),

4. D375556 - Hearing aid (1996-11-12),

5. D368309 - Earplug for a hearing aid (1996-03-26),

6. 5396801 - Vibrometer (1995-03-14),

7. 5387875 - Output circuit capable of driving a vibration device (1995-02-07),

8. D354568 - Hearing aid (1995-01-17),

9. 5347584 - Hearing aid (1994-09-13),

10. 5187746 - Structure of battery receiving chamber (1993-02-16),

11. 5010575 - Audio current pick-up device (1991-04-23),

12. 4739511 - Hearing aid (1988-04-19),

13. 4519399 - Method for measuring the degree of nasality (1985-05-28),

14. 4490585 - Hearing aid (1984-12-25),

15. 4489330 - Electromagnetic induction coil antenna (1984-12-18),

Rion Kabushiki Kaisha is a Japanese company specializing in the development and manufacturing of precision instruments, including environmental measurement systems, noise and vibration control products, and sound level meters. With a focus on innovation and quality, Rion has established a strong reputation in the industry for providing reliable and accurate solutions for measuring and monitoring environmental conditions and noise levels.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

19 Patents

#1,197 in Tokyo

#2,971 in Japan

#31,708 in the World

Rion Kabushiki Kaisha

Forward Citations = 728

19 inventors:

Yoshiyuki Narisawa (8 out of 8 patents)

Yozo Marutake (4 out of 4 patents)

Tatsuro Fukutome (4 out of 4 patents)

4. Mikio Shiba (2 out of 3 patents)

5. Toshiyuki Araki (2 out of 33 patents)

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