Location History:
- Kariya, JP (2000)
- Toyohashi, JP (1997 - 2007)
Company Filing History:
7 out of 19,721 
1 out of 3,252 
1 out of 1 Years Active: 1997-2025
Title: Innovations of Hiroshi Shohara
Introduction
Hiroshi Shohara is a notable inventor based in Toyohashi, Japan. He has made significant contributions to the field of engineering, particularly in the production of cylindrical components and multi-stage pulleys. With a total of eight patents to his name, Shohara's work has had a considerable impact on manufacturing processes.
Latest Patents
One of Shohara's latest patents is a method and apparatus for producing cylindrical components having bent portions. This invention involves a preparatory molding roll that is pushed to the outer peripheral surface of a workpiece while it is chucked by a pair of molds. The workpiece is rotated by applying axial propelling force, which bends the outer peripheral surface inward in a radial direction. Afterward, the workpiece is chucked by the preparatory molding roll and the upper and lower molds, allowing for the formation of a bent portion through axial crushing. Additionally, a molding roll is used to shape the outer form of the workpiece, followed by a grooved roll that forms a groove on the outer surface.
Another significant patent is related to a multi-stage pulley and its production method. In this invention, an annular groove portion is formed between areas corresponding to groove portions. The groove portions are then created while the annular groove is pressed. This design allows the stress from plastic deformation during groove formation to be absorbed by the annular groove, which has a smaller rigidity than the groove portions. As a result, the accuracy of the finished size of the multi-stage pulley is improved, and the capital investment in groove forming rollers is reduced, leading to lower manufacturing costs.
Career Highlights
Hiroshi Shohara has worked with prominent companies such as Denso Corporation and Nippondenso Co., Ltd. His experience in these organizations has contributed to his expertise in engineering and innovation.
Collaborations
Throughout his career, Shohara has collaborated with notable colleagues, including Yasuji Kasuya and Yasuo Tabuchi. These partnerships have likely enhanced his work and led to further advancements in his field.
Conclusion
Hiroshi Shohara's contributions to engineering through his patents and collaborations highlight his innovative spirit and dedication to improving manufacturing processes. His work continues to influence the industry and inspire future inventors.