This inventor holds 14 USPTO granted patents. Top assignees: Mazda Motor Corporation, Naldec Corporation, Diesel Kiki Co., Ltd.. Active years: 1988-1997.
Location History:
- Fuchu, JP (1991 - 1992)
- Hiroshima, JP (1988 - 1993)
- Iwakuni, JP (1991 - 1997)
Company Filing History:

Years Active: 1988-1997
Title: The Innovative Journey of Shigetoshi Doi
Introduction: Shigetoshi Doi, a pioneering inventor hailing from Iwakuni, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.
Latest Patents: Shigetoshi Doi's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power and energy storage solutions.
Career Highlights: With a career spanning over two decades, Shigetoshi Doi has established himself as a leading figure in the tech industry, with a strong focus on sustainability and environmental conservation.
Collaborations: Throughout his career, Shigetoshi Doi has collaborated with top research institutions and universities to further his research and bring his innovative ideas to life.
Conclusion: Shigetoshi Doi's relentless pursuit of innovation and commitment to creating a more sustainable future make him a true visionary in the world of technology.