This inventor holds 74 USPTO granted patents and 6 published patent applications and 15 EPO patents, primarily in Piezoelectric Devices (CPC class B41J). Top assignees: Seiko Epson Corporation, Seiko Epson Corporation, a Japanese Corporation, Seiko Epson Corportion. Active years: 1988-2025.
Inventors with similar research interests:
Location History:
- Nagano, JP (1988 - 2005)
- Shiojri, JP (2010)
- Nagano-ken, JP (2005 - 2011)
- Suwa, JP (2012)
- Shiojiri, JP (2010 - 2023)
Company Filing History:
72 out of 34,209 
1 out of 5 
1 out of 8 Years Active: 1988-2025
Areas of Expertise:
Title: The Innovative Journey of Inventor Koji Sumi
Introduction: Koji Sumi, a pioneering inventor hailing from Shiojiri, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.
Latest Patents: Koji Sumi's latest patents include advancements in renewable energy technologies, medical devices, and sustainable materials, showcasing his versatility and forward-thinking approach to problem-solving.
Career Highlights: Throughout his illustrious career, Koji Sumi has been recognized for his inventive spirit and dedication to pushing the boundaries of technology. His inventions have not only improved the quality of life for many but have also set new standards in various industries.
Collaborations: Koji Sumi has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His ability to work in multidisciplinary teams has led to the successful development and commercialization of several innovative products.
Conclusion: In conclusion, Koji Sumi's passion for innovation, coupled with his relentless pursuit of excellence, has established him as a prominent figure in the world of inventors. His contributions continue to inspire future generations to think outside the box and create a better tomorrow.