Yuusuke Ohshima

This inventor holds 12 USPTO granted patents and 5 published patent applications and 3 EPO patents. Top assignees: Tanaka Kikinzoku Kogyo K.k., National University Corporation Tokai National Higher Education and Research System, Tanaka Precious Metal Technologies Co., Ltd.. Active years: 2014-2026.

USPTO Granted Patents = 12 (Patent Applications = 5)

% Patents Active = 100.0

EPO Patents = 3 (Patent Applications = 8)

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 3(Granted Patents)

Location History:

Ibaraki, JP (2014 - 2019)
Tsukuba, JP (2017 - 2024)

Company Filing History:

11 out of 372

Tanaka Kikinzoku Kogyo K.k.

patents

1 out of 123

National University Corporation Tokai National Higher Education and Research System

patents

1 out of 4

Tanaka Precious Metal Technologies Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2014-2026

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12534592 - Metal paste (2026-01-27),

2. 12441938 - Semiconductor nanoparticles composed of AgAuS-based multicomponent compound (2025-10-14),

3. 12163034 - Silver ink for low-temperature calcination (2024-12-10),

4. 12035470 - Electroconductive substrate having metal wiring, method for producing the electroconductive substrate, and metal ink for forming metal wiring (2024-07-09),

5. 11967441 - Metal wiring and conductive sheet both excellent in bending resistance, and metal paste for forming the metal wiring (2024-04-23),

6. 11864325 - Method for forming metal pattern (2024-01-02),

7. 11149161 - Metal ink (2021-10-19),

8. 10486235 - Method for producing silver particles, and silver particles produced by the method (2019-11-26),

9. 10220377 - Metal colloidal solution and method for producing the same (2019-03-05),

10. 9901985 - Method for manufacturing silver particles (2018-02-27),

11. 9565776 - Method for treating substrate that support catalyst particles for plating processing (2017-02-07),

12. 8637422 - Method for producing surface-supported catalyst (2014-01-28),

Title: Yuusuke Ohshima: Innovator in Semiconductor Nanoparticles

Introduction

Yuusuke Ohshima is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on innovative materials and processes that enhance the performance and applicability of semiconductor nanoparticles.

Latest Patents

One of Yuusuke Ohshima's latest patents is for semiconductor nanoparticles composed of an AgAuS-based multicomponent compound. This invention relates to a semiconductor nanoparticle that includes essential constitutional elements such as Ag, Au, S, and a metal M. The metal M can be any of Al, Ga, In, Tl, Zn, Cd, Hg, or Cu, with a total content of Ag, Au, S, and metal M being 95 mass % or more. The nanoparticle exhibits appropriate emission and extinction characteristics and is biocompatible. Another notable patent is for a silver ink designed for low-temperature calcination. This silver ink comprises silver particles and a protective agent with at least one amine compound, allowing for the formation of a practical metal film even at low temperatures of 70° C. or less.

Career Highlights

Yuusuke Ohshima has worked with notable companies, including Tanaka Kikinzoku Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor materials and their applications.

Collaborations

Some of his coworkers include Hitoshi Kubo and Noriaki Nakamura. Their collaboration has likely fostered innovative ideas and advancements in their respective fields.

Conclusion

Yuusuke Ohshima's contributions to semiconductor technology through his patents and collaborations highlight his role as a significant innovator in the industry. His work continues to influence advancements in materials science and engineering.