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Yokohama, Japan

Alphatheta Corporation

USPTO Granted Patents = 53

EPO Patents = 18

Trademarks = 36

Forward Citations = 151

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45 inventors (with patents filed for the assignee):

Takahiro Kuramoto (17 out of 33 patents)

Muneki Sugita (9 out of 9 patents)

Nao Takagi (6 out of 9 patents)

4. Masayuki Mikasa (4 out of 5 patents)

5. Kenji Sasaki (4 out of 4 patents)

6. Toshihisa Sabi (3 out of 3 patents)

7. Masamichi Tomii (3 out of 3 patents)

8. Hajime Yoshino (2 out of 4 patents)

9. Hirokatsu Kawano (2 out of 4 patents)

10. Toshiki Nakai (2 out of 4 patents)

11. Junichiro Inoue (2 out of 4 patents)

12. Seiki Suzuki (2 out of 3 patents)

13. Shintaro Kido (2 out of 2 patents)

14. Takashi Mashita (2 out of 2 patents)

15. Yusuke Tsuda (2 out of 9 patents)

Core Competencies:

Audio Signal Processing

Digital Audio Player

Audio Mixer

Headphone Technology

Musical Piece Analysis

Acoustic Devices

Rotary Operators

Sound Volume Control

Electronic Musical Instruments

Music Data Editing

Playback Control Methods

Illumination Control

53 patents: Sort by Forward Citations

1. 12512084 - Sound device, program, and control method (2025-12-30),

2. 12437941 - Rotary operator and audio device (2025-10-07),

3. D1093342 - Speaker (2025-09-16),

4. 12406645 - Audio device, audio device playback control method, and program (2025-09-02),

5. 12379892 - Audio signal processing device, audio signal processing method, and program (2025-08-05),

6. D1082750 - Digital audio player with communication and mixing function (2025-07-08),

7. D1081624 - Audio mixer (2025-07-01),

8. D1081617 - Headphone (2025-07-01),

9. D1081611 - Turntable (2025-07-01),

10. 12347410 - Electronic musical instrument and musical piece phrase generation program (2025-07-01),

11. 12306657 - Rotating operation part and acoustic device (2025-05-20),

12. 12210798 - Acoustic device including display panel and touch panel and applying effect to input audio based on touch operation on touch panel, and operation method and operation program therefor (2025-01-28),

13. 12153786 - Audio device, program, and playback control method (2024-11-26),

14. 12147618 - Acoustic effect playback device having a rotary operator (2024-11-19),

15. D1051128 - Controller for digital audio player (2024-11-12),

Alphatheta Corporation is a cutting-edge technology company specializing in artificial intelligence, analytics, and blockchain solutions. Our expert team of developers and data scientists work tirelessly to provide innovative products and services to help businesses optimize their operations and stay ahead of the competition. With a focus on delivering high-quality, scalable solutions, Alphatheta is the partner of choice for organizations looking to harness the power of emerging technologies.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

53 Patents

#25 in Yokohama

#1,616 in Japan

#12,953 in the World

Yokohama, Japan

Alphatheta Corporation

Forward Citations = 151

45 inventors:

Takahiro Kuramoto (17 out of 33 patents)

Muneki Sugita (9 out of 9 patents)

Nao Takagi (6 out of 9 patents)

4. Masayuki Mikasa (4 out of 5 patents)

5. Kenji Sasaki (4 out of 4 patents)

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