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Hamamatsu, Japan

Kawai Musical Instruments Manufacturing Co., Ltd.

USPTO Granted Patents = 25

Trademarks = 3

Forward Citations = 224

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31 inventors (with patents filed for the assignee):

Kaoru Matsunaga (3 out of 7 patents)

Mitsuo Yamashita (2 out of 10 patents)

Masanori Katsuta (2 out of 11 patents)

4. Kohtaro Ilimura (2 out of 2 patents)

5. Sachie Ilimura (2 out of 2 patents)

6. Sadamoto Wakuda (2 out of 7 patents)

7. Hiroshi Kitagawa (2 out of 22 patents)

8. Yasushi Sato (1 out of 14 patents)

9. Seiji Okamoto (1 out of 1 patent)

10. Hikari Ichihara (1 out of 2 patents)

11. Hiroshi Matsunaga (1 out of 11 patents)

12. Masahiko Iwase (1 out of 1 patent)

13. Yoshifumi Kira (1 out of 8 patents)

14. Ikuya Kato (1 out of 1 patent)

15. Kiyomichi Kushimiya (1 out of 3 patents)

25 patents: Sort by Forward Citations

1. D946647 - Electronic piano (2022-03-22),

2. 11037542 - Keyboard device for electronic keyboard instrument (2021-06-15),

3. 10991347 - Leg of keyboard instrument and leg attachment structure (2021-04-27),

4. 10810984 - Fingering display device and fingering display program (2020-10-20),

5. 10347224 - Key of keyboard instrument (2019-07-09),

6. 10224888 - Parameter control device and control method (2019-03-05),

7. 10184656 - Grand piano (2019-01-22),

8. 10102837 - Resonance sound control device and resonance sound localization control method (2018-10-16),

9. 10049651 - Resonance sound control device (2018-08-14),

10. 10028073 - Effect giving device (2018-07-17),

11. 9905209 - Electronic keyboard musical instrument (2018-02-27),

12. 9640161 - Musical score displaying and performing program, and musical score displaying and performing device (2017-05-02),

13. 9280962 - Sound preview device and program (2016-03-08),

14. 9218798 - Voice assist device and program in electronic musical instrument (2015-12-22),

15. 6008783 - Keyboard instrument with the display device employing fingering guide (1999-12-28),

KAWAI MUSICAL INSTRUMENTS MANUFACTURING CO., LTD. is a renowned Japanese company that specializes in manufacturing high-quality musical instruments. With a history of over 90 years, Kawai has gained a reputation for producing exceptional pianos, keyboards, and digital pianos. Their commitment to innovation, craftsmanship, and advanced technology has made them a trusted choice for musicians worldwide. To learn more about Kawai and explore their wide range of musical instruments, please visit their official website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

25 Patents

#4 in Hamamatsu

#2,517 in Japan

#24,897 in the World

Hamamatsu, Japan

Kawai Musical Instruments Manufacturing Co., Ltd.

Forward Citations = 224

31 inventors:

Kaoru Matsunaga (3 out of 7 patents)

Mitsuo Yamashita (2 out of 10 patents)

Masanori Katsuta (2 out of 11 patents)

4. Kohtaro Ilimura (2 out of 2 patents)

5. Sachie Ilimura (2 out of 2 patents)

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