Yuji Akimoto

This inventor holds 28 USPTO granted patents and 4 published patent applications, plus 12 CIPO patents and 7 EPO patents, primarily in Conductive Paste Technology. Top assignees: Shoei Chemical Inc., Nec Corporation, Nec Electronics Corporation. Active years: 1995-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Akimoto. Retrieved from https://idiyas.com/inventor/yuji-akimoto

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

USPTO Granted Patents = 28 (Patent Applications = 4)

% Patents Active = 78.6

CIPO Patents = 12

EPO Patents = 7 (Patent Applications = 5)

Average Co-Inventor Count = 4.1

ph-index = 7

Forward Citations = 146(Granted Patents)

Location History:

Tokyo, JP (1995 - 2010)
Fukuoka, JP (1998 - 2015)
Tosu, JP (2018 - 2022)

Company Filing History:

Nec Electronics Corporation

5. 1 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1995-2022

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Areas of Expertise:

Conductive Paste

Nickel Powder

Solar Cell Device

Metal Powder

Carbon-Coated Metal Powder

Multilayer Ceramic Components

Alloy Powder

Vacuum Package

Single-Crystal Ferrite

Oxidation-Resistant Palladium

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11535767 - Silver paste (2022-12-27),

2. 10569333 - Carbon-coated metal-powder, conductive paste containing carbon-coated metal powder and multilayer electronic component using same, and method for manufacturing carbon-coated metal powder (2020-02-25),

3. 9943909 - Carbon-coated metal powder, conductive paste containing carbon-coated metal powder and multilayer electronic component using same, and method for manufacturing carbon-coated metal powder (2018-04-17),

4. 9162288 - Metal powder production method, metal powder produced thereby, conductive paste and multilayer ceramic electronic component (2015-10-20),

5. 8962981 - Solar cell device and manufacturing method therefor (2015-02-24),

6. 8734562 - Nickel powder, method for manufacturing same, conductor paste, and multilayer ceramic electronic component using same (2014-05-27),

7. 8128725 - Nickel powder, method for manufacturing same, conductor paste, and multilayer ceramic electronic component using same (2012-03-06),

8. 7795585 - Vacuum package and manufacturing process thereof (2010-09-14),

9. 7785499 - Nickel-rhenium alloy powder and conductor paste containing the same (2010-08-31),

10. 7744779 - Nickel-rhenium alloy powder and conductor paste containing the same (2010-06-29),

11. 7704297 - Nickel powder manufacturing method (2010-04-27),

12. 7618474 - Nickel powder, conductive paste, and multilayer electronic component using same (2009-11-17),

13. 7503959 - Method for manufacturing rhenium-containing alloy powder, rhenium-containing alloy powder, and conductor paste (2009-03-17),

14. 7368070 - Conductive paste for terminal electrode of multilayer ceramic electronic part (2008-05-06),

15. 7197817 - Method for forming contact bumps for circuit board (2007-04-03),

Title: Innovations of Yuji Akimoto: Pioneering Advances in Conductive Materials

Introduction: Yuji Akimoto, based in Fukuoka, Japan, is a prolific inventor with an impressive portfolio of 28 patents. His work primarily focuses on advancements in silver pastes and conductive materials, which are essential in various electronic applications. This article highlights his latest patents, career achievements, and collaborations with notable professionals in the field.

Latest Patents: One of Yuji Akimoto's significant recent inventions is a silver paste formulation. This innovative silver paste comprises at least a silver powder, a binder resin, and an organic solvent. The silver powder includes a first silver powder with a D50 particle size of 3.50 to 7.50 micrometers and a second silver powder with a D50 particle size of 0.80 to 2.00 micrometers. This formulation offers superior printability and produces a silver conductor film that boasts a high filling factor, excellent film density, and outstanding electrical conductivity, along with migration resistance.

Another notable patent by Akimoto involves a carbon-coated metal powder designed for use in conductive pastes. This powder exhibits low impurity levels, narrower particle size distribution, and enhanced sintering properties, making it ideal for forming internal conductors in ceramic multilayer electronic components. His innovative method for manufacturing this carbon-coated metal powder includes melting metallic raw materials, vaporizing the metal, and cooling the vapor to form carbon-coated metal nuclei.

Career Highlights: Yuji Akimoto has contributed significantly to the advancement of conductive materials through his inventions. His extensive experience includes working with reputable companies such as Shoei Chemical Inc. and NEC Corporation, where he has played a pivotal role in research and development.

Collaborations: Akimoto has collaborated with esteemed colleagues like Kazuro Nagashima and Hidenori Ieda, leveraging their expertise to drive forward innovative projects and the development of new materials.

Conclusion: Yuji Akimoto stands out as a remarkable inventor in the field of conductive materials, with a substantial number of patents that reflect his commitment to innovation. His contributions continue to influence the electronics industry, showcasing the importance of research and development in driving technological advancements.

Profile summary based on public USPTO records.