This inventor holds 4 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Nihon Parkerizing Co., Ltd., Taiho Kogyo Co., Ltd.. Active years: 1997-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Toyota, JP (1997 - 1999)
- Aichi, JP (2003 - 2008)
Company Filing History:

Years Active: 1997-2008
Title: Hirofumi Michioka: Innovator in Cylinder Liner Technology
Introduction
Hirofumi Michioka is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of engineering, particularly in the development of cylinder liners. With a total of 4 patents to his name, Michioka's work has had a considerable impact on manufacturing processes.
Latest Patents
One of his latest patents is for a cylinder liner for insert casting and the method for manufacturing it. This innovation provides a cylinder liner that enhances adherence and bonding strength with cylinder block materials. The cylinder liner meets several specific requirements, including the height and number of projections on its surface, as well as area ratios of various regions. These features contribute to improved performance in cylinder blocks.
Career Highlights
Throughout his career, Michioka has worked with prominent companies such as Toyota Motor Corporation and Nihon Parkerizing Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in engineering.
Collaborations
He has collaborated with notable coworkers, including Yoshio Fuwa and Kazuhiko Mori. Their combined expertise has fostered innovation and development in their respective fields.
Conclusion
Hirofumi Michioka's contributions to cylinder liner technology exemplify the importance of innovation in engineering. His patents and collaborations reflect a commitment to enhancing manufacturing processes and improving product performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile