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For the Inventor, By the Inventor

Nagoya, Japan

Jun Isono

This inventor holds 19 USPTO granted patents and 1 EPO patent, primarily in Piezoelectric Actuators. Top assignees: Brother Kogyo Kabushiki-Kaisha, Nagoya University. Active years: 1992-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun Isono. Retrieved from https://idiyas.com/inventor/jun-isono

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

Calculating rank
USPTO Granted Patents = 19

% Patents Active = 94.7

 

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 125(Granted Patents)


Company Filing History:

goldMedal18 out of 17,897 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal1 out of 371 
 
Nagoya University
 patents

Years Active: 1992-2017

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Areas of Expertise:
Piezoelectric Ceramics
Liquid Ejection Head
Inkjet Print Head
Manufacturing Method
Actuator Design
Print Head Technology
Ink Ejector
Nozzle Plate
Sewing Machine
Reciprocating Compressor
19 patents (USPTO):Explore Patents
1. 9647197 - Piezoelectric ceramics and method for manufacturing the same (2017-05-09),
2. 8083331 - Piezoelectric actuator, liquid ejection head, and method for manufacturing piezoelectric actuator (2011-12-27),
3. 7914129 - Piezoelectric actuator and liquid-droplet jetting head (2011-03-29),
4. 7517065 - Injet printhead having externally-connected terminations structured to be resistant to damage (2009-04-14),
5. 7514855 - Piezoelectric actuator and method for producing the same (2009-04-07),
6. 7497558 - Piezoelectric actuator and liquid-droplet jetting head (2009-03-03),
7. 7416279 - Connection structure for inkjet recording head (2008-08-26),
8. 7073894 - Ink jet printer head (2006-07-11),
9. 6964472 - Piezoelectric ink jet print head and method of making the same (2005-11-15),
10. 6773095 - Inkjet print head (2004-08-10),
11. 6719412 - Piezoelectric actuator and ink ejector using the piezoelectric actuator (2004-04-13),
12. 6715862 - Piezoelectric ink jet print head and method of making the same (2004-04-06),
13. 6672715 - Inkjet head preventing erroneous ink ejection from unintended adjacent nozzles (2004-01-06),
14. 6631981 - Piezoelectric actuator of ink jet printer head (2003-10-14),
15. 6604817 - Print head for piezoelectric ink jet printer, piezoelectric actuator therefor, and process for producing piezoelectric actuator (2003-08-12),

Title: **Jun Isono: Innovator in Piezoelectric Technology**

Introduction

Jun Isono, a distinguished inventor based in Nagoya, Japan, has made significant contributions to the field of piezoelectric technologies. With an impressive portfolio of 19 patents, his innovative approaches have greatly enhanced the development and manufacturing of piezoelectric ceramics and actuators, making a lasting impact in industries reliant on such technologies.

Latest Patents

Isono's latest patents include a novel formulation of piezoelectric ceramics, characterized by a non-stoichiometric perovskite compound. This innovative composition, represented by the formula (KNa)(NbTa)O(0

Career Highlights

Jun Isono has held key positions at notable institutions, including Brother Industries, Ltd. (Brother Kogyo Kabushiki-kaisha) and Nagoya University. His work at these organizations has not only facilitated his personal achievements but has also contributed to the broader field of engineering and materials science, particularly in piezoelectric applications.

Collaborations

Throughout his career, Isono has collaborated with esteemed colleagues such as Atsuhiro Takagi and Atsushi Hirota. These partnerships have fostered an environment of innovation, enabling the sharing of ideas and research that have propelled advancements in their respective fields.

Conclusion

Jun Isono’s contributions to the world of piezoelectric technology through his patents and collaborative efforts are noteworthy. His inventive spirit and dedication to research continue to inspire future developments in manufacturing and applications of piezoelectric devices, solidifying his position as a leading figure in innovative technology.

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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