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Kawai Musical Instrument Mfg. Co., Ltd.

USPTO Granted Patents = 95

Forward Citations = 583

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6 inventors (with patents filed for the assignee):

Ralph Deutsch (91 out of 119 patents)

Leslie J Deutsch (20 out of 30 patents)

Tsutomu Saito (2 out of 34 patents)

4. Takashi Suzuki (1 out of 73 patents)

5. Hiroshi Kitagawa (1 out of 22 patents)

6. Sadaaki Ezawa (1 out of 14 patents)

Core Competencies:

Electronic Musical Instruments

Harmonic Coefficient Generator

Touch Responsive Tone Generator

Polyphonic Tone Synthesizer

Adaptive Tone Generation

Time Variant Harmonies

Ensemble Tone Generation

Frequency Modulation

Signal Convolution

Harmonic Interpolation

Data Reduction Techniques

Acoustic Tone Synthesis

95 patents: Sort by Forward Citations

1. 6313388 - Device for adding fluctuation and method for adding fluctuation to an electronic sound apparatus (2001-11-06),

2. 5266736 - Interruption control apparatus for use in performance information (1993-11-30),

3. 5164529 - Interruption control apparatus for use in performance information (1992-11-17),

4. 4800794 - Harmonic coefficient generator for an electronic musical instrument (1989-01-31),

5. 4735123 - Generation of time variant harmonies in an electronic musical instrument (1988-04-05),

6. 4732071 - Tuning indicator for musical instruments (1988-03-22),

7. 4716805 - Ensemble effect for a musical tone generator using stored waveforms (1988-01-05),

8. 4713997 - Dual mode musical tone generator using stored musical waveforms (1987-12-22),

9. 4697490 - Musical tone generator using incremental harmonic variation (1987-10-06),

10. 4683793 - Data reduction for a musical instrument using stored waveforms (1987-08-04),

11. 4679478 - Touch responsive musical tone generator (1987-07-14),

12. 4677889 - Harmonic interpolation for producing time variant tones in an electronic (1987-07-07),

13. 4656912 - Tone synthesis using harmonic time series modulation (1987-04-14),

14. 4649787 - Ensemble tone generation in a musical instrument (1987-03-17),

15. 4646608 - Phased memory addressing for noise reduction in an electronic musical (1987-03-03),

Kawai Musical Instrument Mfg. Co., Ltd. is a renowned Japanese company specializing in the production of pianos, digital pianos, and other musical instruments. With a rich history spanning over nine decades, Kawai has established itself as a leading brand known for its commitment to innovation, craftsmanship, and exceptional sound quality. The company's diverse range of products caters to professional musicians, music educators, and enthusiasts worldwide. From grand pianos cherished by concert artists to compact digital pianos perfect for home use, Kawai's instruments are celebrated for their exceptional touch and tone. Visit their website to explore their vast collection and learn more about Kawai's commitment to creating instruments that inspire and bring joy to musicians of all levels.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

95 Patents

#1 in Sizuoka

#1,126 in Japan

#7,874 in the World

Kawai Musical Instrument Mfg. Co., Ltd.

Forward Citations = 583

6 inventors:

Ralph Deutsch (91 out of 119 patents)

Leslie J Deutsch (20 out of 30 patents)

Tsutomu Saito (2 out of 34 patents)

4. Takashi Suzuki (1 out of 73 patents)

5. Hiroshi Kitagawa (1 out of 22 patents)

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