Wako, Japan

Kazuhiro Nakadai

USPTO Granted Patents = 89 


Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 476(Granted Patents)

Forward Citations (Not Self Cited) = 452(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Chiba, JP (2005 - 2007)
  • Wako, KR (2017)
  • Sakura, JP (2020)
  • Saitama, JP (2008 - 2023)
  • Wako, JP (2009 - 2023)

Company Filing History:


Years Active: 2005-2025

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Areas of Expertise:
Speech Recognition
Acoustic Processing
Sound Source Localization
Voice Processing
Conversation Support
Audio Processing
Microphone Array
Sound Scene Reconstruction
Sound Source Separation
Voice Enhancement
Acoustic Signal Processing
Autonomous Action Robotics
89 patents (USPTO):Explore Patents

Title: Kazuhiro Nakadai: Innovating Conversational Support Systems and Acoustic Signal Processing

Introduction:

Kazuhiro Nakadai, a prominent Japanese inventor and researcher, has made significant contributions in the field of conversational support systems and acoustic signal processing. With over 85 patents to his name, Nakadai's work has revolutionized the way we interact with technology and improved the accuracy and quality of sound processing. This article explores Nakadai's latest patents, career highlights, collaborations, and his valuable contributions to the field of innovations and patents.

Latest Patents:

Nakadai's recent patents showcase his expertise in the development of conversation support devices and systems. One of his notable inventions is the "Conversation Support Device, Conversation Support System, Conversation Support Method, and Storage Medium." This patent focuses on voice recognition and utilizes a text acquisition and display processing system to support conversational interactions. By accurately recognizing voice data and displaying relevant texts, this invention aids individuals in communicating effectively.

Another significant patent by Nakadai is the "Acoustic Signal Processing Device, Acoustic Signal Processing Method, and Program for Determining a Steering Coefficient." This innovation addresses the challenge of sound source localization, calculating a steering coefficient that varies based on the angle between sound sources and microphones. By employing Fourier series expansion, this invention improves the accuracy of acoustic signal processing and enhances the quality of sound recordings.

Career Highlights:

Throughout his career, Nakadai has worked with renowned organizations that value his expertise in technological advancements. He has made significant contributions to Honda Motor Co., Ltd., a leading automobile manufacturer, leveraging his expertise to enhance communication technologies within vehicles. His innovations have fueled advancements in voice recognition systems and hands-free communication solutions, improving driver safety and convenience.

Nakadai has also collaborated with the Japan Science and Technology Agency (JST), an institution dedicated to supporting research and development projects. His collaborations with JST have further amplified his contributions to conversational support systems and acoustic signal processing techniques, exploring new possibilities in human-machine interactions.

Collaborations:

During his professional journey, Nakadai has collaborated with several talented individuals, further promoting innovation and advancing technology. Notably, he has worked with Keisuke Nakamura, an esteemed researcher specializing in speech and audio signal processing. Nakamura's expertise and Nakadai's inventions complement each other, resulting in groundbreaking solutions that bridge the gap between human communication and technology.

Additionally, Nakadai has collaborated with Hiroshi Okuno, an accomplished scientist known for his work in multimodal interaction and speech recognition technology. Their collaborative efforts have propelled the advancements in conversational support systems, creating a synergistic impact on the field.

Conclusion:

Kazuhiro Nakadai's contributions in conversational support systems and acoustic signal processing have left an indelible mark on the technological landscape. With a remarkable portfolio of patents and notable experience with esteemed companies like Honda Motor Co., Ltd. and collaborations with notable researchers, Nakadai's achievements have significantly advanced human-machine interactions and sound processing technologies. His continuous pursuit of innovation continues to shape the future of conversation support systems and acoustic signal processing, driving the possibilities of more effective and seamless communications.

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