This inventor holds 8 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Gifu Seiki Kogyo Kabushiki Kaisha. Active years: 1997-1999.
Company Filing History:
8 out of 38,774 
2 out of 2 Years Active: 1997-1999
Title: Mitsuhiro Karaki: Innovator in Internal Combustion Engine Technology
Introduction
Mitsuhiro Karaki is a prominent inventor based in Okazaki, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 8 patents. His innovative designs and manufacturing methods have advanced the efficiency and functionality of engine components.
Latest Patents
Karaki's latest patents include a groundbreaking design for an internal combustion engine cylinder block and a novel manufacturing method. The cylinder block features a unique sealing mechanism that prevents coolant from entering the crankcase, enhancing engine reliability. The cylinder block body is constructed from a first material, while the cylinder liner, which is cast within the block, is made from a second, distinct material. This design includes an engaging portion that ensures a secure fit between the cylinder block body and the cylinder liner.
Additionally, his production method for the cylinder block involves forming a first cavity between a mold and a core. One of the materials for the cylinder block or liner is supplied to this cavity. A second cavity is then created by adjusting the core, allowing the other material to be introduced. This innovative approach enables the efficient production of cylinder blocks with liners using the same apparatus.
Career Highlights
Throughout his career, Mitsuhiro Karaki has worked with notable companies, including Toyota Motor Corporation and Gifu Seiki Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in engine technology.
Collaborations
Karaki has collaborated with talented individuals in the industry, including Mikiya Nozaki and Toshihiro Takami. These partnerships have fostered a creative environment that has led to the development of innovative solutions in engine design and manufacturing.
Conclusion
Mitsuhiro Karaki's contributions to internal combustion engine technology are noteworthy, with his patents reflecting a commitment to innovation and efficiency. His work continues to influence the automotive industry, showcasing the importance of inventive thinking in engineering.