Location History:
- Tokyo, JP (2005)
- Machida, JP (2006)
Company Filing History:
3 out of 13,415 
1 out of 60 
1 out of 17 Years Active: 2005-2006
Title: Jun Harui: Innovator in Engine Technology
Introduction
Jun Harui is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engine technology, holding a total of 3 patents. His innovative designs focus on improving the performance and efficiency of internal combustion engines.
Latest Patents
One of Harui's latest patents is a bearing apparatus for camshaft in an engine. This invention features a bearing cap that is bolted to the cylinder head by a cap bolt, ensuring the relative position of the camshaft to the cylinder head is fixed. An oil escape bore connects a cap bolt insert bore formed in the bearing cap through a chain casing to an oil pan. This design allows the oil escape bore to be positioned at a distance from the cylinder-head meeting surface of the bearing cap, thus maintaining the mounting performance of the bearing cap.
Another significant patent is for a cylinder head of an internal combustion engine and the method of producing the same. This invention comprises a structure cast in metal, defining an intake port with a side wall surface that exposes the upstream end of the intake port to the outside. A metal partition plate is installed in the intake port, dividing it into two parallel intake conduits. The partition plate features lateral edges embedded in the inner wall of the intake port, with an upstream edge that includes a major straight portion and two projected end portions.
Career Highlights
Throughout his career, Jun Harui has worked with prominent companies such as Nissan Motor Company Limited and Aichi Machine Industry Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in engine technology.
Collaborations
Harui has collaborated with notable coworkers, including Hideo Takahashi and Masatoshi Hada. These partnerships have fostered a creative environment that has led to innovative solutions in the automotive industry.
Conclusion
Jun Harui's contributions to engine technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in internal combustion engine design and functionality.