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Hamamatsu, Japan

Kawai Musical Inst. Mfg. Co., Ltd.

USPTO Granted Patents = 37

Forward Citations = 374

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31 inventors (with patents filed for the assignee):

Yutaka Washiyama (8 out of 22 patents)

Tsutomu Saito (7 out of 34 patents)

Katsushi Ishii (5 out of 8 patents)

4. Kiyomi Takauji (4 out of 20 patents)

5. Takashi Suzuki (3 out of 73 patents)

6. Toshinori Matsuda (3 out of 15 patents)

7. Akihiro Fujita (2 out of 25 patents)

8. Seiji Okamoto (2 out of 11 patents)

9. Gen Izumisawa (2 out of 15 patents)

10. Noriyuki Ueta (2 out of 3 patents)

11. Mineo Kitamura (2 out of 14 patents)

12. Shu Eitaki (2 out of 2 patents)

13. Toshihide Saito (2 out of 2 patents)

14. Yoichi Nagashima (2 out of 10 patents)

15. Hiroshi Kitagawa (2 out of 22 patents)

37 patents: Sort by Forward Citations

1. D562877 - Electronic piano (2008-02-26),

2. 6031173 - Apparatus for generating musical tones using impulse response signals (2000-02-29),

3. 5998723 - Apparatus for forming musical tones using impulse response signals and (1999-12-07),

4. 5866833 - Automatic performance system (1999-02-02),

5. 5696834 - Stereo system and stereo method for electronic acoustical system (1997-12-09),

6. 5691496 - Musical tone control apparatus for filter processing a musical tone (1997-11-25),

7. 5689571 - Device for producing reverberation sound (1997-11-18),

8. 5666432 - Apparatus for and method of sound recording in electronic sound control (1997-09-09),

9. 5665931 - Apparatus for and method of generating musical tones (1997-09-09),

10. 5641929 - Apparatus for and method of generating musical tones (1997-06-24),

11. 5627334 - Apparatus for and method of generating musical tones (1997-05-06),

12. 5521330 - Sound control device and method for uniformly shifting the phase of (1996-05-28),

13. 5478968 - Stereophonic sound generation system using timing delay (1995-12-26),

14. 5464947 - Apparatus for and method of producing fluctuations in sound for (1995-11-07),

15. 5424773 - Apparatus and method for generating a pseudo camera position image from (1995-06-13),

Kawai Musical Inst. Mfg. Co., Ltd. is a renowned global company specializing in the manufacturing of high-quality musical instruments. Established in 1927 and headquartered in Hamamatsu, Japan, Kawai has built a reputation for producing excellent pianos, digital pianos, and other musical instruments. With a strong focus on innovation, precision, and craftsmanship, Kawai has earned the trust and admiration of musicians worldwide. The company continues to push boundaries in the industry, consistently delivering instruments that delight performers and inspire creativity.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

37 Patents

#3 in Hamamatsu

#2,012 in Japan

#17,724 in the World

Hamamatsu, Japan

Kawai Musical Inst. Mfg. Co., Ltd.

Forward Citations = 374

31 inventors:

Yutaka Washiyama (8 out of 22 patents)

Tsutomu Saito (7 out of 34 patents)

Katsushi Ishii (5 out of 8 patents)

4. Kiyomi Takauji (4 out of 20 patents)

5. Takashi Suzuki (3 out of 73 patents)

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