Takafumi Koshinaka

USPTO Granted Patents = 51 (Patent Applications = 25)

Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 412(Granted Patents)

Forward Citations (Not Self Cited) = 411(Oct 12, 2025)

Location History:

Minato-ku, JP (2012 - 2015)
Tokyo, JP (2000 - 2024)

Company Filing History:

4. 1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 2000-2025

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51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12462809 - Voice registration device, control method, program, and storage medium (2025-11-04),

2. 12412592 - Hyper-parameter optimization system, method, and program (2025-09-09),

3. 12334080 - Neural network-based signal processing apparatus, neural network-based signal processing method, and computer-readable storage medium (2025-06-17),

4. 12248550 - Detection of attachment problem of apparatus being worn by user (2025-03-11),

5. 12248548 - Detection of attachment problem of apparatus being worn by user (2025-03-11),

6. 12248547 - Detection of attachment problem of apparatus being worn by user (2025-03-11),

7. 12216752 - Personal authentication device based on echo sounds, personal authentication method, and recording medium (2025-02-04),

8. 12189745 - Acoustic personal authentication device, personal authentication method, and recording medium (2025-01-07),

9. 12175997 - Information processing device, wearable device, information processing method, and storage medium (2024-12-24),

10. 12094450 - Speech processing device, speech processing method, and non-transitory computer readable medium storing program (2024-09-17),

11. 12067098 - Personal authentication device, personal authentication method, and recording medium (2024-08-20),

12. 12051424 - Audio processing apparatus, audio processing method, and computer-readable recording medium (2024-07-30),

13. 11977617 - Detection of attachment problem of apparatus being worn by user (2024-05-07),

14. 11928198 - Authentication device and authentication method (2024-03-12),

15. 11900949 - Signal extraction system, signal extraction learning method, and signal extraction learning program (2024-02-13),

Title: Innovator Spotlight: Takafumi Koshinaka

Introduction

Takafumi Koshinaka, a prolific inventor hailing from Tokyo, JP, has made significant contributions to the field of speech processing and personal authentication technologies. With an impressive portfolio of 42 patents to his name, Koshinaka continues to push the boundaries of innovation in the tech industry.

Latest Patents

Among his latest patents is a cutting-edge speech processing device that enhances speaker recognition accuracy through clustering algorithms. Additionally, Koshinaka's personal authentication device sets a new standard for immediate and secure authentication upon earphone/microphone insertion, effectively combating spoofing attempts.

Career Highlights

Koshinaka has honed his skills and expertise at renowned companies such as NEC Corporation and NEC Platforms, Ltd. His tenure at these esteemed organizations has undoubtedly played a pivotal role in shaping his innovative spirit and technical prowess, leading to the development of groundbreaking technologies.

Collaborations

Throughout his career, Koshinaka has collaborated with esteemed colleagues such as Hitoshi Yamamoto and Qiongqiong Wang. These collaborative efforts have not only enriched his professional journey but have also paved the way for groundbreaking inventions and patents that have the potential to revolutionize the industry.

Conclusion

In conclusion, Takafumi Koshinaka stands as a trailblazing inventor who continues to push the boundaries of innovation in the realms of speech processing and personal authentication technologies. With a remarkable track record of patents and a dedicated pursuit of excellence, Koshinaka's contributions exemplify the essence of ingenuity and creativity in the ever-evolving world of technology.

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25 patents pending:

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7 patents pending (EPO):

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