logo

For the Inventor, By the Inventor

Yamanashi, Japan

Yoshizumi Ohta

This inventor holds 12 USPTO granted patents. Top assignee: Citizen Electronics Co., Ltd.. Active years: 2001-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshizumi Ohta. Retrieved from https://idiyas.com/inventor/yoshizumi-ohta

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

USPTO Granted Patents = 12

% Patents Active = 25.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 104(Granted Patents)


Location History:

  • Yamanashi-ken, JP (2002 - 2005)
  • Yamanashi, JP (2006 - 2007)
  • Fujiyoshida, JP (2001 - 2010)

Company Filing History:

goldMedal12 out of 608 
 
Citizen Electronics Co., Ltd.
 patents

Years Active: 2001-2010

Loading Chart...
12 patents (USPTO):Explore Patents
1. 7764804 - Panel-typed loud speaker and an exciter therefor (2010-07-27),
2. 7181040 - Case for containing electrical instrument (2007-02-20),
3. 7010142 - Electrical acoustic converter (2006-03-07),
4. 6845168 - Speaker for an electronic instrument (2005-01-18),
5. 6795563 - Speaker for an electronic instrument (2004-09-21),
6. 6751332 - Speaker (2004-06-15),
7. 6690809 - Microspeaker (2004-02-10),
8. 6504940 - Connecting device for connecting a sound producing device to an electronic equipment (2003-01-07),
9. 6476710 - Electromagnetic sound generator (2002-11-05),
10. 6400825 - Microspeaker (2002-06-04),
11. D446785 - Loudspeaker with a socket (2001-08-22),
12. 6208238 - Electromagnetic sound generating body (2001-03-27),

Title: Innovations of Yoshizumi Ohta

Introduction

Yoshizumi Ohta is a prominent inventor based in Yamanashi-ken, Japan. He has made significant contributions to the field of electronics, holding a total of 12 patents. His work primarily focuses on advancements in audio technology and electrical instrument design.

Latest Patents

Among his latest patents is a panel-typed loudspeaker and an exciter designed for it. This exciter features a bimorph structure that includes a plate member and two piezoelectric ceramic layers, which are positioned on opposite sides of the plate. The design also incorporates a bimorph holding member that secures one end of the bimorph, ensuring optimal performance. Another notable patent is a case for containing electrical instruments. This case consists of a frame and a cover member that together create a secure space for the electrical instrument. It includes features such as holes for fixing the frame and cover, as well as a protrusion for added stability.

Career Highlights

Yoshizumi Ohta is currently employed at Citizen Electronics Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the functionality and efficiency of electronic devices.

Collaborations

Throughout his career, Ohta has collaborated with notable colleagues, including Kazumi Miyamoto and Takashi Kobayashi. These partnerships have fostered a creative environment that has led to numerous advancements in their respective fields.

Conclusion

Yoshizumi Ohta's contributions to the field of electronics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. 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]
Loading…