Katsuya Shirai

This inventor holds 68 USPTO granted patents and 5 published patent applications and 13 EPO patents, primarily in Communication Technology (CPC class A63B). Top assignees: Sony Corporation, Eagle Industry Co., Ltd., Sanden Corporation. Active years: 1996-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuya Shirai. Retrieved from https://idiyas.com/inventor/katsuya-shirai

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

USPTO Granted Patents = 68 (Patent Applications = 5)

% Patents Active = 29.4

EPO Patents = 13 (Patent Applications = 4)

Average Co-Inventor Count = 6.4

ph-index = 13

Forward Citations = 679(Granted Patents)

Forward Citations (Not Self Cited) = 654(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Takahashi, JP (2004 - 2006)
Tokyo, JP (2009 - 2013)
Kanagawa, JP (1996 - 2020)

Company Filing History:

Eagle Industry Co., Ltd.

where one patent can have more than one assignee

Years Active: 1996-2020

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Areas of Expertise:

Content Playback

Audio Reproducing

Communication Apparatus

Health Exercise Assist

Biometric Information

Electronic Apparatus

Thin Film Manufacturing

Data Display

Sound Output Control

Information Processing

Exercise Audio

Catalytic Electrode

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE47948 - Content playback method and content playback apparatus (2020-04-13),

2. 10587567 - Communication method and apparatus (2020-03-10),

3. 10518161 - Sound-output-control device, sound-output-control method, and sound-output-control program (2019-12-31),

4. 10291577 - Communication method and apparatus (2019-05-14),

5. RE46481 - Content reproducing apparatus, audio reproducing apparatus and content reproducing method (2017-07-17),

6. 9675866 - Movement supporting method and apparatus (2017-06-13),

7. 9596581 - Communication method and apparatus (2017-03-14),

8. 9338644 - Communication method and apparatus (2016-05-10),

9. 9326130 - Communication method and apparatus (2016-04-26),

10. 8861930 - Content playback apparatus, content playback method and storage medium (2014-10-14),

11. 8858453 - Sound-output-control device, sound-output-control method, and sound-output-control program (2014-10-14),

12. 8812502 - Content reproducing apparatus, content reproduction method, and program (2014-08-19),

13. 8641616 - Method and apparatus for processing bio-information (2014-02-04),

14. 8612030 - Health exercise assist system, portable music playback apparatus, service information providing apparatus, information processing apparatus, and health exercise assist method (2013-12-17),

15. 8518756 - Method for crystallizing thin film, method for manufacturing thin film semiconductor device, method for manufacturing electronic apparatus, and method for manufacturing display device (2013-08-27),

Katsuya Shirai: A Pioneer in Innovative Communication and Entertainment Technologies

Introduction

Katsuya Shirai is an esteemed inventor based in Kanagawa, Japan, known for his impressive portfolio of 68 patents. His work primarily focuses on enhancing communication methods and entertainment experiences, reflecting a commitment to pushing the boundaries of technology.

Latest Patents

One of Shirai's latest innovations, the "Content playback method and content playback apparatus," revolutionizes how users interact with multimedia content. This invention enables the movement of users to influence the playback characteristics of content, enhancing entertainment value and uplifting spirits. The device detects the timing at which users make movements, such as walking or swinging, to synchronize audio and visual content, creating a more immersive experience.

Another noteworthy patent is the "Communication method and apparatus," which outlines a sophisticated approach to handling personal information. This method involves a first communication apparatus transmitting personal data to a second apparatus. The second device then searches for matching information and notifies the first apparatus of the search results, manifesting an innovative advancement in data handling and communication efficiency.

Career Highlights

Katsuya Shirai has contributed to the field of technology through prominent roles at major companies, including Sony Corporation and Eagle Industry Co., Ltd. His experience in these leading firms has undeniably influenced his inventive capabilities and the quality of his innovations.

Collaborations

Throughout his career, Shirai has worked alongside various talented individuals, including notable coworkers like Yoichiro Sako and Motoyuki Takai. These collaborations have played a significant role in refining his ideas and bringing forth revolutionary technologies.

Conclusion

Katsuya Shirai's contributions to communication methods and entertainment technologies highlight his innovative spirit and dedication to improving user experiences. With a substantial collection of patents, he continues to push the frontiers of innovation, inspiring future generations of inventors.

Profile summary based on public USPTO records.