This inventor holds 52 USPTO granted patents and 1 EPO patent, primarily in Electric Rotating Machines (CPC class H02K). Top assignees: Hitachi, Ltd., Hitachi Car Engineering Co., Ltd., Hitachi Automotive Engineering Co., Ltd.. Active years: 1977-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Katsuta, JA (1977)
- Ibaraki-ken, JP (1998 - 2002)
- Chiyoda-ku, JP (2006)
- Hitachinaka, JP (2007)
- Higashiibaraki, JP (2004 - 2008)
- Ibarakimachi, JP (1982 - 2010)
- Ibaraki, JP (2002 - 2011)
- Higashiibaraki-gun, JP (2002 - 2012)
Company Filing History:



Years Active: 1977-2012
Areas of Expertise:
Title: Inventor Osamu Koizumi
Introduction: Osamu Koizumi is a renowned inventor hailing from Higashiibaraki-gun, Japan, known for his groundbreaking contributions to the field of technology and innovation.
Latest Patents: Osamu Koizumi holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.
Career Highlights: Throughout his illustrious career, Osamu Koizumi has been instrumental in developing cutting-edge technologies that have revolutionized industries and improved the lives of many.
Collaborations: Osamu Koizumi has collaborated with leading research institutions, universities, and companies to further advance his inventions and bring them to the market, solidifying his reputation as a visionary inventor.
Conclusion: In conclusion, Osamu Koizumi's passion for innovation and his relentless pursuit of technological advancement have established him as a prominent figure in the world of inventors, leaving a lasting impact on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile