Hiroyuki Ehara

This inventor holds 119 USPTO granted patents and 34 published patent applications, plus 17 CIPO patents and 40 EPO patents, primarily in Audio Signal Processing (CPC class G10L19-008). Top assignees: Panasonic Corporation, Panasonic Intellectual Property Corporation of America, Matsushita Electric Industrial Co., Ltd.. Active years: 1998-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Ehara. Retrieved from https://idiyas.com/inventor/hiroyuki-ehara

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

USPTO Granted Patents = 119 (Patent Applications = 34)

% Patents Active = 78.2

CIPO Patents = 17

EPO Patents = 40 (Patent Applications = 26)

Average Co-Inventor Count = 2.1

ph-index = 16

Forward Citations = 709(Granted Patents)

Forward Citations (Not Self Cited) = 640(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Yokohama, JP (1998 - 2009)
Kangawa, JP (2013)
Kanagawa, JP (2006 - 2024)

Company Filing History:

47 out of 16,454

Panasonic Corporation

patents

36 out of 4,008

Panasonic Intellectual Property Corporation of America

patents

25 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

4. 9 out of 4,921

Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

patents

5. 3 out of 5,300

Nippon Telegraph and Telephone Corporation

patents

6. 2 out of 13,338

Panasonic Intellectual Property Management Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1998-2026

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Areas of Expertise:

Audio Signal Processing

Encoding Device

Decoding Device

Binaural Rendering

Speech Coding

Signal Processing

Communication Terminal

Acoustic Object Extraction

Quantization Scale Factor

Voice Coding

Stereo Signal Encoding

Direction of Arrival Estimation

119 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12726785 - Information processing method, information processing device, acoustic reproduction system, and recording medium (2026-09-01),

2. 12713199 - SOUND SIGNAL PROCESSING DEVICE, SOUND SIGNAL PROCESSING METHOD, AND RECORDING MEDIUM (2026-08-18),

3. 12688857 - Encoding device and encoding method (2026-07-21),

4. 12579990 - Encoding device, decoding device, encoding method, and decoding method (2026-03-17),

5. 12579989 - Encoding device, decoding device, encoding method, and decoding method (2026-03-17),

6. 12439219 - Signal processing device and signal processing method (2025-10-07),

7. 12431148 - Encoding device, decoding device, encoding method, decoding method, and non-transitory computer-readable recording medium (2025-09-30),

8. 12367884 - Encoding device, decoding device, encoding method, and decoding method (2025-07-22),

9. 12230287 - Quantization scale factor determination device and quantization scale factor determination method (2025-02-18),

10. 12062378 - Encoding device, decoding device, encoding method, and decoding method (2024-08-13),

11. 11994605 - Direction of arrival estimation device, system, and direction of arrival estimation method (2024-05-28),

12. 11653171 - Fast binaural rendering apparatus and method for playing back of multiple audio sources (2023-05-16),

13. 11647428 - Communication terminal apparatus and communication method (2023-05-09),

14. 11545165 - Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels (2023-01-03),

15. 11521625 - Audio signal coding apparatus, audio signal decoding apparatus, audio signal coding method, and audio signal decoding method (2022-12-06),

Title: The Innovative Journey of Hiroyuki Ehara

Introduction: Hiroyuki Ehara is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroyuki Ehara holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of what is possible.

Career Highlights: With a career spanning over two decades, Hiroyuki Ehara has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Hiroyuki Ehara has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hiroyuki Ehara's passion for innovation and his relentless drive to create a positive impact on society through his inventions make him a true pioneer in the world of technology.

Profile summary based on public USPTO records.