Masahiro Asai

This inventor holds 15 USPTO granted patents, plus 3 CIPO patents and 1 EPO patent, primarily in Audio Communication. Top assignees: Sony Corporation, Justsystem Corporation. Active years: 1999-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Asai. Retrieved from https://idiyas.com/inventor/masahiro-asai-0zz72522

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

Calculating rank

USPTO Granted Patents = 15

% Patents Active = 73.3

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 501(Granted Patents)

Location History:

Chiba, JP (1999 - 2008)
Kanagawa, JP (1999 - 2014)

Company Filing History:

Justsystem Corporation

patents

where one patent can have more than one assignee

Years Active: 1999-2014

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Areas of Expertise:

Audio Transmission

Recording System

Reproducing System

Information Processing

Network Telephone

Input Device

Sign-Up Operation

Communication System

Audio Communication

Terminal

Telephone Apparatus

Recording Medium

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE44954 - Audio transmission, recording and reproducing system (2014-06-16),

2. RE42701 - Audio transmission, recording and reproducing system (2011-09-12),

3. RE41544 - Audio transmission, recording and reproducing system (2010-08-16),

4. RE41256 - Audio transmission, recording and reproducing system (2010-04-19),

5. RE41009 - Audio transmission, recording and reproducing system (2009-11-23),

6. 7603686 - Information processing method and apparatus and recording medium (2009-10-13),

7. 7477231 - Information display input device and information display input method, and information processing device (2009-01-13),

8. 7420959 - Telephone apparatus used for computer network telephone system (2008-09-02),

9. 7337228 - Information processing method and apparatus and recording medium for controlling and simplifying a sign-up operation of an apparatus over a network (2008-02-26),

10. 6973302 - Information processing terminal (2005-12-06),

11. 6188677 - Telephone apparatus used for computer network telephone system (2001-02-13),

12. 6108329 - Telephone apparatus used for computer network telephone system (2000-08-22),

13. 6014687 - System for audio communication between two terminals connected to the (2000-01-11),

14. 5991291 - Server of a computer network telephone system (1999-11-23),

15. 5870710 - Audio transmission, recording and reproducing system (1999-02-09),

Title: Masahiro Asai: Innovator in Audio Technology

Introduction

Masahiro Asai is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of audio technology, holding a total of 15 patents. His work has influenced the way audio data is recorded, transmitted, and reproduced.

Latest Patents

Among his latest innovations is an audio transmission, recording, and reproducing system. This apparatus includes a controller that manages all operations, a hard disk for writing and reading audio data, and an audio compression/expansion circuit for handling compressed audio data. The system is designed to connect to a network service center, allowing users to obtain desired music data from the center's storage and store it on the hard disk.

Career Highlights

Masahiro Asai has worked with notable companies such as Sony Corporation and Justsystem Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking audio technologies.

Collaborations

Some of his notable coworkers include Kazunori Ozawa and Nobuhiro Tone. Their collaboration has further enhanced the innovative projects they have worked on together.

Conclusion

Masahiro Asai's contributions to audio technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to shape the future of audio recording and reproduction.

Profile summary based on public USPTO records.