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Rion Company Ltd.

USPTO Granted Patents = 85

EPO Patents = 22

Trademarks = 2

Forward Citations = 357

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127 inventors (with patents filed for the assignee):

Tomonobu Matsuda (14 out of 14 patents)

Takashi Iwakura (12 out of 18 patents)

Masahiro Sunohara (7 out of 7 patents)

4. Masaki Shimmura (7 out of 7 patents)

5. Kazuma Sekimoto (6 out of 6 patents)

6. Kaoru Kondo (6 out of 6 patents)

7. Takashi Minakami (5 out of 5 patents)

8. Takuya Tabuchi (5 out of 5 patents)

9. Yuki Yamakawa (5 out of 5 patents)

10. Akihiro Soeta (4 out of 4 patents)

11. Shinichi Sakamoto (4 out of 23 patents)

12. Keisuke Watanuki (4 out of 4 patents)

13. Tsutomu Nakajima (3 out of 21 patents)

14. Daisuke Sakaue (3 out of 3 patents)

15. Kazuna Bando (3 out of 3 patents)

Core Competencies:

Electromechanical Transducer

Particle Measuring Device

Microbial Particle Counting

Hearing Aid Technology

Audiometer Innovations

Viable Particle Counting

Flow Cell Technology

Sound Source Separation

Feedback Canceller

Light Scattering Particle Counter

Aerosol Particle Detection

Multifunction Measuring Instrument

85 patents: Sort by Forward Citations

1. 12289579 - Electromechanical transducer (2025-04-29),

2. 12265008 - Particle measuring device (2025-04-01),

3. 12181398 - Particle measuring device and particle measuring method (2024-12-31),

4. 11774340 - Particle measuring device, calibration method, and measuring device (2023-10-03),

5. 11474017 - Microbial particle measuring apparatus and microbial particle measuring method (2022-10-18),

6. 11268894 - Flow cell and particle measuring device (2022-03-08),

7. 11262284 - Particle counter (2022-03-01),

8. 11252493 - Hearing device and earphone (2022-02-15),

9. 11215551 - Viable particle counting system and viable particle counting method (2022-01-04),

10. D938595 - Earphone (2021-12-14),

11. D938594 - Earphone (2021-12-14),

12. 11184720 - Electroacoustic transducer and acoustic device (2021-11-23),

13. 11178495 - Electromechanical transducer and electroacoustic transducer (2021-11-16),

14. 11119027 - Microbial particle counting system and microbial particle counting method (2021-09-14),

15. 11112344 - Particle measuring method and detection liquid (2021-09-07),

Rion Company Ltd. is a leading provider of innovative solutions in the technology industry. With a strong focus on research and development, we strive to deliver cutting-edge products and services. Our offerings include hardware, software, and consulting services, all designed to meet the unique needs of our clients. At Rion Company, we are committed to excellence and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

85 Patents

#48 in

#1,228 in Japan

#8,720 in the World

Rion Company Ltd.

Forward Citations = 357

127 inventors:

Tomonobu Matsuda (14 out of 14 patents)

Takashi Iwakura (12 out of 18 patents)

Masahiro Sunohara (7 out of 7 patents)

4. Masaki Shimmura (7 out of 7 patents)

5. Kazuma Sekimoto (6 out of 6 patents)

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