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For the Inventor, By the Inventor

Sendai, Japan

Katsuhiro Yoshida

This inventor holds 30 USPTO granted patents and 1 EPO patent, primarily in Solid Electrolytic Capacitors. Top assignees: Nec Tokin Corporation, Nec Corporation, Nec Toppan Circuit Solutions, Inc.. Active years: 2000-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiro Yoshida. Retrieved from https://idiyas.com/inventor/katsuhiro-yoshida

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

Calculating rank
USPTO Granted Patents = 30

% Patents Active = 66.7


Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 149(Granted Patents)


Location History:

  • Tokyo, JP (2000 - 2003)
  • Sagamihara, JP (2005)
  • Taihaku-ku, Sendai-shi, Miyagi, JP (2007)
  • Miyagi, JP (2005 - 2009)
  • Sendai, JP (2004 - 2020)

Company Filing History:

goldMedal23 out of 259 
 
Nec Tokin Corporation
 patents
silverMedal5 out of 36,770 
 
Nec Corporation
 patents
bronzeMedal1 out of 13 
 
Nec Toppan Circuit Solutions, Inc.
 patents
4. 1 out of 163 
 
Tokin Corporation
 patents
5. 1 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 2000-2020

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Areas of Expertise:
Electric Double-Layer Capacitor
Solid Electrolytic Capacitor
Thermal Stress Resistance
Manufacturing Method
Chip-Type Capacitor
Anode Member
Stacked Capacitor
Electrically Conductive Polymer
Nb Solid Electrolytic Capacitor
Thin Multi-Terminal Capacitor
High Resistance
Capacitor Fabrication
30 patents (USPTO):Explore Patents
1. 10566146 - Electric double-layer capacitor including a terminal having a protruding portion in an exterior body thereof (2020-02-18),
2. 8213160 - Solid electrolytic capacitor and method of manufacturing same (2012-07-03),
3. 8107224 - Thin solid electrolytic capacitor having high resistance to thermal stress (2012-01-31),
4. 8040661 - Solid electrolytic capacitor device and manufacturing method of the same (2011-10-18),
5. 8018713 - Solid electrolytic capacitor having dual cathode plates surrounded by an anode body and a plurality of through holes (2011-09-13),
6. 7898795 - Solid-state electrolytic capacitor (2011-03-01),
7. 7717967 - Method for manufacturing a solid electrolytic capacitor (2010-05-18),
8. 7684172 - Solid electrolytic capacitor and forming method for the same (2010-03-23),
9. 7550360 - Solid electrolytic capacitor manufacturing method capable of easily and properly connecting anode electrode portion (2009-06-23),
10. 7525791 - Solid electrolytic capacitor (2009-04-28),
11. 7481850 - Solid electrolytic capacitor, stacked capacitor using the same, and fabrication method thereof (2009-01-27),
12. 7460359 - Thin multi-terminal capacitor and method of manufacturing the same (2008-12-02),
13. 7457103 - Solid electrolytic capacitor which can easily be lowered in ESL (2008-11-25),
14. D576943 - Chip-type solid state electrolytic capacitor (2008-09-16),
15. D570284 - Chip-type solid state electrolytic capacitor (2008-06-03),

Title: Katsuhiro Yoshida: A Pioneer in Capacitor Technology

Introduction

Katsuhiro Yoshida, a prominent inventor based in Sendai, Japan, holds an impressive portfolio of 29 patents. His innovative contributions to the field of electrical engineering, particularly in capacitor technology, have had a significant impact on various applications in electronics.

Latest Patents

Among Yoshida's latest patents are groundbreaking inventions that enhance the performance and reliability of capacitors. One notable patent describes an electric double-layer capacitor featuring a terminal with a protruding portion in its exterior body. This design includes a capacitor element with positive and negative electrodes positioned in a specific orientation, connected to plate-like terminal portions. The protruding feature enhances the capacitor's structural integrity and functionality.

Another significant invention is a solid electrolytic capacitor and its manufacturing method. This capacitor comprises a porous anode body made from valve metal, with several layers including an anode oxide film and a solid electrolyte layer. The design allows for efficient performance and easy integration into various mounting substrates, showcasing Yoshida's dedication to advancing capacitor technology.

Career Highlights

Throughout his career, Katsuhiro Yoshida has been associated with esteemed companies including NEC Tokin Corporation and NEC Corporation. His work at these institutions has enabled him to apply his inventive prowess, resulting in significant advancements in capacitor design and manufacturing.

Collaborations

During his innovative journey, Yoshida has collaborated with talented individuals such as Koji Sakata and Takeshi Saito. These partnerships have fostered creative synergies and propelled numerous projects, leading to the successful development of new technologies in the realm of capacitors.

Conclusion

Katsuhiro Yoshida's contributions to capacitor technology are marked by his numerous patents and innovative designs. His work not only reflects his expertise but also signifies his commitment to advancing the field of electrical engineering. With a career characterized by impactful collaborations and groundbreaking inventions, Yoshida continues to be a key figure in the development of innovative capacitor solutions.

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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