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For the Inventor, By the Inventor

Kanagawa, Japan

Naoto Iwahashi

This inventor holds 20 USPTO granted patents, primarily in Signal Processing. Top assignees: Sony Corporation, Other. Active years: 1989-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoto Iwahashi. Retrieved from https://idiyas.com/inventor/naoto-iwahashi

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

USPTO Granted Patents = 20

% Patents Active = 85.0

Average Co-Inventor Count = 2.1

ph-index = 10

Forward Citations = 412(Granted Patents)


Location History:

  • Tokyo, JP (1989 - 1993)
  • Nara, JP (1995)
  • Kanagawa, JP (1991 - 2009)

Company Filing History:

goldMedal18 out of 58,145 
 
Sony Corporation
 patents
silverMedal2 out of 834,513 
Other
 patents

Years Active: 1989-2009

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Areas of Expertise:
Feature Extraction
Pattern Recognition
Signal Decoding
Signal Encoding
Speech Analysis
Adaptive Predictive Coding
Language Learning
Radio Communication
Digital Signal Processing
Semi-Supervised Learning
Identification Function
Information Processing
20 patents (USPTO):Explore Patents
1. 7509256 - Feature extraction apparatus and method and pattern recognition apparatus and method (2009-03-24),
2. 7117151 - Feature extraction apparatus and method and pattern recognition apparatus and method (2006-10-03),
3. 7010477 - Information processing device information processing method, and recording medium (2006-03-07),
4. 6910010 - Feature extraction apparatus and method and pattern recognition apparatus and method (2005-06-21),
5. 6816831 - Language learning apparatus and method therefor (2004-11-09),
6. 6799162 - Semi-supervised speaker adaptation (2004-09-28),
7. 6134525 - Identification-function calculator, identification-function calculating (2000-10-17),
8. 5828998 - Identification-function calculator, identification-function calculating (1998-10-27),
9. 5704006 - Method for processing speech signal using sub-converting functions and a (1997-12-30),
10. 5452398 - Speech analysis method and device for suppyling data to synthesize (1995-09-19),
11. 5299240 - Signal encoding and signal decoding apparatus (1994-03-29),
12. 5299239 - Signal encoding apparatus (1994-03-29),
13. 5299238 - Signal decoding apparatus (1994-03-29),
14. 5283814 - Apparatus for processing digital signal (1994-02-01),
15. 5197087 - Signal encoding apparatus (1993-03-23),

Title: Innovations by Naoto Iwahashi: Advancements in Recognition Technologies

Introduction

Naoto Iwahashi, an accomplished inventor based in Kanagawa, Japan, holds an impressive portfolio of 20 patents. His contributions to the fields of speech and image recognition technologies have significantly enhanced the efficiency and accuracy of these systems.

Latest Patents

Iwahashi's latest patents include the "Feature Extraction Apparatus and Method" and the "Pattern Recognition Apparatus and Method". Both inventions focus on increasing the recognition rate in speech recognition and image recognition processes. The method operates by taking an observation vector as input data, which symbolizes a point in the observation vector space. This input is subsequently mapped to a distribution that has a spread in the feature vector space. A feature distribution parameter that represents this distribution is then determined, facilitating pattern recognition of the input data based on the specified feature distribution parameter.

Career Highlights

Throughout his career, Naoto Iwahashi has made significant strides in innovation. His expertise in developing advanced recognition technologies has been well recognized, allowing him to secure multiple patents that are vital for modern technological applications. Notably, his tenure with Sony Corporation has contributed to his success, providing a platform for applying his inventive skills.

Collaborations

Iwahashi's collaborative efforts have paired him with notable coworkers such as Kenzo Akagiri and Yoshihito Fujiwara. Working alongside these talented individuals has fostered an environment rich in creativity and innovation, further advancing their collective contributions to technology.

Conclusion

Naoto Iwahashi stands as a prominent figure in the invention and development of technologies that enhance recognition systems. His latest patents exemplify his innovative approach to solving complex challenges in speech and image recognition, solidifying his reputation as a leading inventor in his field. As his work continues to evolve, Iwahashi remains an influential force in shaping the future of recognition technologies.

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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