Saitama, Japan

Keiji Shimoyama

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent. Top assignee: Kabushiki Kaisha T an T. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Shimoyama. Retrieved from https://idiyas.com/inventor/keiji-shimoyama

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 = 2.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Keiji Shimoyama: A Pioneer in Illumination Lamp Technology

Introduction: Keiji Shimoyama, an innovative inventor hailing from Saitama Prefecture, Japan, has made significant contributions to the field of illumination lamp technology. With a keen understanding of materials and pressures involved in lamp molding, Shimoyama has secured a patent for a groundbreaking invention that addresses common challenges in the industry.

Latest Patents: Shimoyama's sole patent focuses on illumination lamp equipment. The invention aims to enhance the molding process of illumination lamps that typically use conventional resin, which operates at high temperatures ranging from 240 to 300 °C and injection pressures between 400 to 1300 Kg/cm. His innovative approach prevents the illumination lamp from melting due to extreme heat or breaking under high pressure, thus improving overall product reliability.

Career Highlights: Throughout his career, Keiji Shimoyama has been associated with Kabushiki Kaisha T and T, a company known for its dedication to advancements in lighting technology. His experience and expertise in lamp manufacturing have positioned him as a valuable asset in his field.

Collaborations: In his pursuit of innovation, Shimoyama has collaborated closely with his coworker, Hirofumi Okano. Together, they have focused on refining the processes involved in lighting technology and ensuring that new designs meet industry standards for safety and efficiency.

Conclusion: Keiji Shimoyama's contributions to the field of illumination lamp technology underscore the importance of innovation in overcoming engineering challenges. His patented invention not only enhances the production process but also sets a new benchmark for quality and reliability in the lighting industry. As technology continues to evolve, Shimoyama's work serves as a reminder of the vital role inventors play in crafting solutions for modern-day challenges.

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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