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For the Inventor, By the Inventor

Osaka, Japan

Yoshimichi Kajihara

This inventor holds 17 USPTO granted patents and 3 published patent applications and 3 EPO patents. Top assignees: Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd., Kuraray Chemical Co., Ltd.. Active years: 2012-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimichi Kajihara. Retrieved from https://idiyas.com/inventor/yoshimichi-kajihara

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 = 52.9

 

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 60(Granted Patents)


Location History:

  • Kadoma, JP (2012)
  • Mie, JP (2014 - 2016)
  • Okayama, JP (2017 - 2018)
  • Osaka, JP (2012 - 2020)

Company Filing History:

goldMedal11 out of 16,454 
 
Panasonic Corporation
 patents
silverMedal6 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
bronzeMedal1 out of 31 
 
Kuraray Chemical Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2012-2020

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17 patents (USPTO):Explore Patents
1. 10531170 - Loudspeaker device and movable-body apparatus equipped with same (2020-01-07),
2. 9877109 - Diaphragm for loudspeaker, loudspeaker, electronic apparatus, and mobile apparatus (2018-01-23),
3. 9781515 - Loudspeaker diaphragm, and loudspeaker, electronic device and mobile device including the diaphragm (2017-10-03),
4. 9716950 - Diaphragm, loudspeaker using same, and electronic device and mobile device using loudspeaker (2017-07-25),
5. 9438997 - Diaphragm, loudspeaker using diaphragm, electronic device and mobile device using loudspeaker, and method for producing diaphragm (2016-09-06),
6. 9008349 - Speaker diaphragm, speaker, and electronic equipment and mobile device using the speaker (2015-04-14),
7. 8855357 - Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method (2014-10-07),
8. 8774449 - Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker (2014-07-08),
9. 8767998 - Pressure adjustor and method of manufacturing the same, speaker device using the pressure adjustor, electronic device, and vehicle (2014-07-01),
10. 8553924 - Speaker, speaker device using the same and electronic apparatus and vehicle using the speaker (2013-10-08),
11. 8406452 - Diaphragm for speaker, speaker using the diaphragm, and system using the speaker (2013-03-26),
12. 8340342 - Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device (2012-12-25),
13. 8265330 - Material for speaker device and speaker device using it (2012-09-11),
14. 8235168 - Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker (2012-08-07),
15. 8230966 - Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker (2012-07-31),

Title: The Innovations of Yoshimichi Kajihara

Introduction

Yoshimichi Kajihara is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of audio technology, holding a total of 17 patents. His work focuses on enhancing the performance and functionality of loudspeakers and related devices.

Latest Patents

Among his latest patents are two notable inventions. The first is a loudspeaker device and movable-body apparatus equipped with the same. This innovative loudspeaker device includes a box and a lid, with the box accommodating the loudspeaker and the lid covering its opening. The lid features a grille with hexagonal holes, each designed to optimize sound quality. The second patent is for a diaphragm for loudspeakers, which contains resin mixed with single-crystal diamond powder. This unique combination aims to improve the acoustic performance of loudspeakers.

Career Highlights

Yoshimichi has had a successful career, working with renowned companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in audio technology.

Collaborations

Throughout his career, Yoshimichi has collaborated with talented individuals, including Yohei Jin and Shinya Mizone. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Yoshimichi Kajihara's contributions to audio technology through his patents demonstrate his innovative spirit and dedication to improving sound quality. His work continues to influence the industry and inspire future inventors.

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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