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For the Inventor, By the Inventor

Hirakata, Japan

Tohru Kamitamari

This inventor holds 7 USPTO granted patents. Top assignee: C.uyemura Co., Ltd.. Active years: 1993-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Kamitamari. Retrieved from https://idiyas.com/inventor/tohru-kamitamari

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 3

Forward Citations = 522(Granted Patents)


Company Filing History:

goldMedal7 out of 125 
 
C.uyemura Co., Ltd.
 patents

Years Active: 1993-2011

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7 patents (USPTO):Explore Patents
1. 7988773 - Electroless gold plating bath, electroless gold plating method and electronic parts (2011-08-02),
2. 7985285 - Electroless gold plating bath, electroless gold plating method and electronic parts (2011-07-26),
3. 5910340 - Electroless nickel plating solution and method (1999-06-08),
4. 5294554 - Analysis of tin, lead or tin-lead alloy plating solution (1994-03-15),
5. 5266103 - Bath and method for the electroless plating of tin and tin-lead alloy (1993-11-30),
6. 5248527 - Process for electroless plating tin, lead or tin-lead alloy (1993-09-28),
7. 5234572 - Metal ion replenishment to plating bath (1993-08-10),

Title: Tohru Kamitamari: Innovator in Electroless Gold Plating Technology

Introduction

Tohru Kamitamari is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of electroless gold plating, holding a total of 7 patents. His innovative work has advanced the technology used in electronic parts and coatings.

Latest Patents

Among his latest patents are methods and compositions for electroless gold plating baths. These patents include a water-soluble gold compound, a complexing agent, an aldehyde compound, and an amine compound. The electroless gold plating process he developed allows for stable deposition rates without corroding the underlying metal. This technology enables the creation of thick coatings in a single solution while maintaining the inherent lemon yellow color of gold.

Career Highlights

Tohru Kamitamari has been instrumental in the development of advanced plating techniques at Cuyemura Co., Ltd. His work has not only improved the quality of gold plating but also enhanced the aesthetic appeal of electronic components. His patents reflect a deep understanding of chemical processes and their applications in manufacturing.

Collaborations

Throughout his career, Tohru has collaborated with notable colleagues such as Masayuki Kiso and Hiroki Uchida. These partnerships have fostered innovation and contributed to the success of their projects.

Conclusion

Tohru Kamitamari's contributions to electroless gold plating technology have made a lasting impact on the industry. His innovative patents and collaborative efforts continue to influence advancements in electronic manufacturing.

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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