Location History:
- Saitama, JP (2003 - 2013)
- Wako, JP (2001 - 2021)
- Tokyo, JP (2023)
Company Filing History:
15 out of 21,893 
8 out of 10,092 
1 out of 832,843 Years Active: 2001-2023
Title: Innovations and Contributions of Hiroatsu Inui
Introduction: Hiroatsu Inui, based in Saitama, Japan, is a notable inventor recognized for his contributions in the field of automotive engineering. With an impressive portfolio of 24 patents, he has made significant strides in developing advanced technologies for internal combustion engines.
Latest Patents: Among his recent inventions are two notable patents: a high-pressure fuel pump and an innovative oil passageway structure for internal combustion engines. The high-pressure fuel pump operates a plunger facing a cam ridge, featuring a unique cam curved surface designed with two apexes and two valley bottoms at specified cam angle intervals. This innovative design allows for improved functionality without the crossing angle being at a right angle, optimizing performance in applications. Additionally, the oil passageway structure includes a cylinder head with an inter-bearing wall fluid communication oil passage, which facilitates the easy flow of oil between multiple bearing walls. This design not only simplifies assembly but also reduces manufacturing costs and enhances productivity.
Career Highlights: Throughout his career, Hiroatsu Inui has held key positions in reputable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His work has significantly influenced the automotive industry, contributing to the development of efficient engine technologies.
Collaborations: Inui has worked alongside talented professionals like Hiromi Sumi and Atsuo Hojyo, collaborating to drive innovative projects and enhancements within the automotive sector. These partnerships have fostered creativity and led to the development of technologies that support modern automotive requirements.
Conclusion: Hiroatsu Inui exemplifies the spirit of innovation in the engineering field, particularly in automotive design and functionality. His inventive contributions, as evidenced by his numerous patents, continue to shape the landscape of internal combustion engine technology, ensuring greater efficiency and performance in automotive applications.