Kyoto, Japan

Yoshihiro Koyama

This inventor holds 4 USPTO granted patents. Top assignee: Dainippon Screen Mfg. Co., Ltd.. Active years: 1988-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Koyama. Retrieved from https://idiyas.com/inventor/yoshihiro-koyama-vu8qx4e4

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 105(Granted Patents)


Location History:

  • Takatsuki, JP (1988)
  • Kyoto, JP (2005 - 2008)

Company Filing History:


Years Active: 1988-2008

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4 patents (USPTO):Explore Patents

Title: **Yoshihiro Koyama: Innovator in Substrate Processing and Plating Technologies**

Introduction

Yoshihiro Koyama, an accomplished inventor based in Kyoto, Japan, holds an impressive portfolio of four patents. His work primarily focuses on substrate processing and plating technologies, reflecting his commitment to driving innovation in the manufacturing sector.

Latest Patents

Yoshihiro Koyama's latest patents include a breakthrough in substrate processing apparatus and methods. This innovative apparatus is designed to process a substrate while efficiently transferring it among multiple units. Key features include a first unit group arranged along a linear first line and a second unit group along a linear second line, intersecting the first line at a specific angle. Furthermore, the system employs a transfer robot responsible for the seamless transfer of substrates between these unit groups.

Another significant patent involves a plating apparatus, with specific components such as copper dissolution tanks and methods that enhance the plating process. This apparatus boasts three copper dissolution tanks intricately linked to a plating liquid circulation path to supply copper ions. A buffer container is incorporated for supplying a replacement liquid into certain copper dissolution tanks that are not actively in use, ensuring an uninterrupted plating process. Notably, copper mesh members serve as a copper source within each tank, providing a practical solution for efficient plating.

Career Highlights

Yoshihiro Koyama is associated with Dainippon Screen Mfg. Co., Ltd., a prominent company in the field of manufacturing and technology. His work has significantly contributed to the advancements in substrate processing and plating technologies, showcasing his ability to meld innovation with practical application.

Collaborations

Throughout his career, Koyama has collaborated with notable colleagues, including Yasuhiro Mizohata and Takamasa Sakai. Their collective expertise has played a crucial role in enhancing the technological advancements and patent developments that have emerged from their cooperative efforts.

Conclusion

Yoshihiro Koyama's contributions to substrate processing and plating technology underline his prowess as an inventor. With a solid patent portfolio and collaborations that inspire innovation, Koyama continues to influence the manufacturing landscape, reaffirming his status as a key figure in the field.

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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