Hiratsuka, Japan

Seiji Kashiwada

This inventor holds 5 USPTO granted patents. Top assignees: Kansai Paint Company, Ltd., Other. Active years: 1988-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Kashiwada. Retrieved from https://idiyas.com/inventor/seiji-kashiwada

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 3

Forward Citations = 30(Granted Patents)


Location History:

  • Yokohama, JP (1988)
  • Fujisawa, JP (1997)
  • Hiratsuka, JP (1998 - 2001)

Company Filing History:


Years Active: 1988-2001

Loading Chart...
5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Seiji Kashiwada

Introduction: Seiji Kashiwada, an esteemed inventor based in Hiratsuka, Japan, has made significant strides in the field of engineering through his innovative patents. With a total of five patents to his name, he continues to advance the methods used in the automotive industry and beyond.

Latest Patents: Among his latest inventions, Kashiwada has developed a unique surface-treating method for screw parts. This method involves the application of a liquid organic resin-based coating composition that is capable of forming a film with a volume resistivity of 10Ω·cm or more at normal temperature. This coating is applied onto the threads of screw parts before they are mounted onto an automobile body through welding, with subsequent heating and drying steps enhancing the process. Additionally, he has created a releasable aqueous coating composition and method aimed at temporary applications, showcasing his versatility as an inventor.

Career Highlights: Kashiwada's career includes impactful contributions while working at reputable companies, including Kansai Paint Company, Ltd. His work has led to advancements that have been instrumental in various industrial applications.

Collaborations: Throughout his career, Kashiwada has collaborated with notable individuals such as Tadayoshi Tatsuno and Shouji Takahashi. These partnerships have fostered innovative ideas and enriched his inventions, paving the way for new technological advancements.

Conclusion: Seiji Kashiwada stands out as a prominent figure in the innovation landscape, with a portfolio of patents that highlight his ingenuity and dedication to improving industrial processes. His contributions not only benefit the automotive sector but also set the stage for future advancements in technology.

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]
Loading…