Location History:
- Kurita-gun, JP (1999)
- Kyoto, JP (1987 - 2000)
Company Filing History:
2 out of 4,633 
1 out of 1,326 
Years Active: 1987-2000
Title: Innovations of Yoshiharu Tonohara
Introduction
Yoshiharu Tonohara is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of mechanical engineering, particularly in gear shaping technology. With a total of 3 patents to his name, Tonohara's work reflects a commitment to advancing manufacturing processes.
Latest Patents
One of Tonohara's latest patents is a gear shaper cutting method and apparatus. This innovative method utilizes dry cutting techniques with a pinion cutter made of high-speed tool steel, achieving high efficiency. The pinion cutter is coated with a specialized film composition, enhancing its performance during the cutting process. Another significant patent is for a horizontal hobbing machine, which features a bed and a cutting section that includes a horizontal rotary shaft and a hob. This machine is designed to generate tooth forms on workpieces while effectively removing chips produced during the cutting process.
Career Highlights
Throughout his career, Tonohara has worked with prominent companies such as Mitsubishi Heavy Industries Limited and Mitsubishi Jukogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Tonohara has collaborated with notable colleagues, including Tsuneo Egawa and Masakatsu Fujita. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the field.
Conclusion
Yoshiharu Tonohara's contributions to gear shaping technology and his innovative patents highlight his expertise and dedication to engineering. His work continues to influence the manufacturing industry, showcasing the importance of innovation in mechanical design.