Location History:
- Samukawa-machi, JP (1996)
- Kanagawa-ken, JP (1998 - 2012)
Company Filing History:
5 out of 13,402 
1 out of 1 Years Active: 1996-2012
Title: Innovations of Junichi Hanai
Introduction
Junichi Hanai is a notable inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of fuel tank technology, holding a total of 5 patents. His work focuses on enhancing fuel supply performance and preventing vapor fuel leakage.
Latest Patents
One of Hanai's latest patents is a fuel tank design that features both a primary sump and a secondary sump. This innovative fuel tank includes a first vent valve and a second vent valve, which are strategically placed to close based on the fuel levels in the respective sumps during refueling procedures. Another significant patent involves a structure for connecting a filler tube to a fuel tank. In this design, the inner diameter of the filler tube is smaller than that of the filler neck, which minimizes the clearance between the tube's inner surface and the fuel stream. This design effectively prevents vapor fuel leakage from the filler port and enhances fuel supply performance by suppressing turbulent flow and maintaining a consistent flow rate.
Career Highlights
Throughout his career, Junichi Hanai has worked with prominent companies, including Nissan Motor Company Limited and NKG Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in fuel technology.
Collaborations
Hanai has collaborated with talented individuals such as Kei Orita and Takashi Hashimoto, contributing to the advancement of fuel tank innovations.
Conclusion
Junichi Hanai's contributions to fuel tank technology demonstrate his commitment to innovation and improvement in the automotive industry. His patents reflect a deep understanding of engineering principles and a dedication to enhancing fuel efficiency and safety.