Osaka, Japan

Seiji Yamaguchi


Average Co-Inventor Count = 2.4

ph-index = 16

Forward Citations = 1,218(Granted Patents)


Location History:

  • Osaka, JP (1991 - 1997)
  • Hirakata, JP (1987 - 2001)
  • Toyohashi, JP (2001)
  • Shiga, JP (1990 - 2007)

Company Filing History:


Years Active: 1987-2007

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31 patents (USPTO):Explore Patents

Title: Innovations by Seiji Yamaguchi: Advancements in Vacuum Cleaner Technology

Introduction: Seiji Yamaguchi, an accomplished inventor based in Osaka, Japan, holds an impressive portfolio of 31 patents. His work primarily focuses on innovations in vacuum cleaner technology, showcasing his expertise in improving household appliances. With his significant contributions, Yamaguchi continues to influence the efficiency and functionality of cleaning devices.

Latest Patents: Two of Yamaguchi's latest patented inventions demonstrate his commitment to enhancing vacuum cleaner performance. The first patent involves a vacuum cleaner designed with both a first and second dirt separation unit. The dual-unit system features a first inlet port and a second inlet port that are strategically positioned to prevent overlap. This innovative design allows for two-stage dirt particle separation, ultimately reducing the likelihood of filter occlusion and maintaining stronger suction power over time.

The second patent introduces a vacuum cleaner equipped with an ion generator. This model includes an electric blower that generates a suction air flow, drawing in dirt through a suction head. The ion generator, located between the suction head and the filter bag, produces negative and/or positive ions that can enhance air quality. This thoughtful integration of technology marks a significant advance in the cleaning industry.

Career Highlights: Throughout his career, Seiji Yamaguchi has dedicated himself to the development of innovative cleaning solutions. Currently, he is associated with Matsushita Electric Industrial Co., Ltd., a reputable company known for its commitment to technology and quality in the electronics sector. Yamaguchi's expertise and forward-thinking approach have played a vital role in the company’s product offerings.

Collaborations: Yamaguchi often collaborates with talented coworkers, including Masaru Moro and Tadashi Matsuyo. Together, they contribute to significant advancements in technology and product design, enriching the innovation landscape in their field. Their combined efforts showcase the synergy of teamwork in driving forward the development of groundbreaking cleaning technologies.

Conclusion: Seiji Yamaguchi’s contributions to the vacuum cleaner industry illustrate the importance of innovation in everyday appliances. With his impressive collection of patents, he continues to shape the future of home cleaning devices, ensuring that they remain effective and efficient. As technology evolves, Yamaguchi's work exemplifies the potential for ongoing improvements in household maintenance solutions.

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