Location History:
- Yokohama, JP (2003 - 2009)
- Tokyo, JP (2011)
- Yokosuka, JP (2014)
- Kanagawa-ken, JP (2010 - 2015)
- Kanagawa, JP (2015)
Company Filing History:
8 out of 52,735 
2 out of 662 
1 out of 56 Years Active: 2003-2025
Title: The Innovative Journey of Toshitake Kitagawa
Introduction: Toshitake Kitagawa is a renowned inventor based in Kanagawa-ken, Japan, known for his contributions in the field of light-emitting devices and lamp technology. With a remarkable portfolio of eight patents, his innovative designs have impacted modern lighting solutions and continue to influence the industry.
Latest Patents: Kitagawa's latest patents showcase his ingenuity. One of his prominent inventions is a light-emitting device, which features a base, a light-emitting element, and a specialized fluorescent body-containing layer. This innovative design optimizes light emission by having the upper surface of the light-emitting unit on the upper side of the element, while the fluorescent layer has strategically sized surfaces to enhance performance. Another significant invention is a bulb-type lamp that integrates a uniquely designed lens, consisting of a first hemispherical lens section and a second, complementing section. This configuration effectively directs light from the source, showcasing his expertise in optical technology.
Career Highlights: Throughout his career, Kitagawa has been associated with top-tier companies such as Kabushiki Kaisha Toshiba and Toshiba Lighting & Technology Corporation. His work at these institutions has allowed him to refine his inventions and collaborate with fellow experts in the field.
Collaborations: Kitagawa has collaborated with notable professionals, including Naotada Okada and Makoto Sakai. Their combined knowledge and skills have driven innovations in lighting technology and contributed significantly to the patents they have developed.
Conclusion: Toshitake Kitagawa's pioneering work in light-emitting devices and lamp technology illustrates the essence of innovation in modern industry. His eight patents reflect a commitment to quality and advancement, ensuring that his contributions will be recognized for years to come. As he continues to innovate, the future of lighting technology looks brighter than ever.