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For the Inventor, By the Inventor

Atsugi, Japan

Hirokazu Kameoka

This inventor holds 17 USPTO granted patents and 5 published patent applications and 8 EPO patents. Top assignees: Nippon Telegraph and Telephone Corporation, The University of Tokyo. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Kameoka. Retrieved from https://idiyas.com/inventor/hirokazu-kameoka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 17 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Atsugi, JP (2017 - 2020)
  • Tokyo, JP (2022 - 2024)
  • Musashino, JP (2024)

Company Filing History:

goldMedal17 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
silverMedal8 out of 1,356 
 
The University of Tokyo
 patents
where one patent can have more than one assignee

Years Active: 2017-2025

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17 patents (USPTO):Explore Patents
1. 12254890 - Audio signal conversion model learning apparatus, audio signal conversion apparatus, audio signal conversion model learning method and program (2025-03-18),
2. 12217755 - Voice conversion apparatus, voice conversion learning apparatus, image generation apparatus, image generation learning apparatus, voice conversion method, voice conversion learning method, image generation method, image generation learning method, and computer program (2025-02-04),
3. 12051433 - Conversion learning apparatus, conversion learning method, conversion learning program and conversion apparatus (2024-07-30),
4. 11935553 - Sound signal model learning device, sound signal analysis device, method and program (2024-03-19),
5. 11900957 - Voice conversion learning device, voice conversion device, method, and program (2024-02-13),
6. 11869486 - Voice conversion learning device, voice conversion device, method, and program (2024-01-09),
7. 11798579 - Device, method, and program for analyzing speech signal (2023-10-24),
8. 11450332 - Audio conversion learning device, audio conversion device, method, and program (2022-09-20),
9. 11393452 - Device for learning speech conversion, and device, method, and program for converting speech (2022-07-19),
10. 10643631 - Decoding method, apparatus and recording medium (2020-05-05),
11. 10504533 - Frequency domain parameter sequence generating method, encoding method, decoding method, frequency domain parameter sequence generating apparatus, encoding apparatus, decoding apparatus, program, and recording medium (2019-12-10),
12. 10332533 - Frequency domain parameter sequence generating method, encoding method, decoding method, frequency domain parameter sequence generating apparatus, encoding apparatus, decoding apparatus, program, and recording medium (2019-06-25),
13. 10325609 - Coding and decoding a sound signal by adapting coefficients transformable to linear predictive coefficients and/or adapting a code book (2019-06-18),
14. 10276186 - Parameter determination device, method, program and recording medium for determining a parameter indicating a characteristic of sound signal (2019-04-30),
15. 10224049 - Apparatuses and methods for encoding and decoding a time-series sound signal by obtaining a plurality of codes and encoding and decoding distortions corresponding to the codes (2019-03-05),

Title: Hirokazu Kameoka: Innovator in Voice and Image Technology

Introduction

Hirokazu Kameoka is a prominent inventor based in Atsugi, Japan, known for his groundbreaking work in voice conversion and image generation technologies. With an impressive portfolio of 16 patents, Kameoka’s innovations significantly enhance the way we interact with voice and visual data.

Latest Patents

Kameoka's latest patents showcase his expertise in voice and image technologies. His inventions include a voice conversion apparatus and its corresponding learning apparatus, an image generation apparatus and learning apparatus, and various methodologies related to these technologies. Notably, his voice conversion device utilizes a linguistic information extraction unit to analyze voice signals and an appearance feature extraction unit to assess facial characteristics through captured images. These components work collaboratively to produce a converted voice that accurately represents the nuances of the source material. Additionally, his conversion learning apparatus employs advanced machine learning models to create sophisticated representations for effective data conversion between source and target domains.

Career Highlights

Throughout his career, Kameoka has made significant contributions in the field of telecommunications and academia. He has worked with reputable organizations such as Nippon Telegraph and Telephone Corporation and the University of Tokyo, where he has further developed his technologies and research. His work has been instrumental in advancing the capabilities of machine learning applications in real-world scenarios.

Collaborations

Kameoka has collaborated with notable experts in the field, including colleagues Takehiro Moriya and Yutaka Kamamoto. These partnerships have facilitated the development and refinement of his innovative technologies, enabling a collaborative approach to problem-solving in complex fields.

Conclusion

Hirokazu Kameoka is a distinguished inventor whose contributions to voice conversion and image generation technologies have paved the way for advancements in communication and machine learning. With his extensive patent portfolio and collaborations with leading companies and professionals, Kameoka continues to impact the technological landscape significantly.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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