Hiroshi Ujihara

Introduction

Hiroshi Ujihara is an accomplished inventor based in Yokohama, Japan, with a notable portfolio of five patents to his name. His innovative work primarily focuses on advancing technologies for window regulators, demonstrating his expertise in mechanical design and engineering.

Latest Patents

Ujihara's latest patents showcase his creativity and technical prowess. One of his significant inventions is a power device for a window regulator, designed to efficiently regulate window panes by controlling pull-up and pull-down drive cables. The power device features a motor-powered driving part, which includes a uniquely shaped output shaft with a regular polygonal cross-section. Accompanying this is a cable winder part that comprises a drum with a coupling bore, designed with a regular polygonal star-like cross-section featuring equally spaced angular recesses. This innovative design ensures synchronization and effective operation of the window regulator.

Additionally, he has developed a roller unit for a window regulator. This unit engages with a U-shaped guide rail and incorporates a pair of convexly surfaced rollers in rolling contact with a grooved side wall, complemented by a flat surfaced roller in contact with a planar side wall. With a spring mechanism urging the flat surfaced roller against the planar wall, this invention enhances the smooth operation of vehicle windows.

Career Highlights

Ujihara's career includes significant contributions to renowned companies such as Ohi Seisakusho Co., Ltd. and Nissan Motor Company Limited. His tenure at these companies allowed him to refine his technical skills and apply his innovative ideas to real-world automotive challenges.

Collaborations

Throughout his career, Hiroshi Ujihara has collaborated with talented individuals including Akihiro Takeda and Hideaki Takahashi. These partnerships have facilitated the exchange of ideas and fostered advancements in automotive technology, contributing to Ujihara’s ongoing success as an inventor.

Conclusion

Hiroshi Ujihara stands out as a prominent figure in the field of window regulator innovation. His patents reflect his commitment to enhancing automotive technology, providing efficient solutions that improve the user experience. His ongoing contributions to the industry solidify his reputation as a skilled inventor and engineer.