Tomihiko Fukuyasu

Title: Innovations by Tomihiko Fukuyasu: Pioneering Methods in Crankshaft Manufacturing

Introduction

Tomihiko Fukuyasu is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of manufacturing, particularly with regard to crankshaft production. Fukuyasu holds three patents which focus on methods that enhance the efficiency and effectiveness of manufacturing processes in this domain.

Latest Patents

Fukuyasu's latest patents showcase his innovative approaches to crafting crankshafts. One significant patent is for a **method of manufacturing die forged crankshafts**. This method includes several crucial steps such as an upsetting step to form a blank with an enlarged cross-sectional area, a die forging step to create a forged blank that resembles the crankshaft with a flash, and a trimming step to remove the flash. This process not only optimizes material utilization but also allows for the use of billets with the smallest possible cross-sectional dimensions.

Another notable patent features an **apparatus for forming a blank for finish forging** tailored for three-cylinder engines. This apparatus design employs journal dies that effectively hold sections of a preform blank, coupled with a mechanism that compresses rough crank arm portions while adjusting crank pin portions for eccentricity. This innovation results in a blank that closely matches the desired shape of a forged crankshaft for three-cylinder engines.

Career Highlights

Tomihiko Fukuyasu has dedicated his career to advancing manufacturing technologies. He is currently affiliated with **Nippon Steel & Sumitomo Metal Corporation**, where his creativity and technical acumen have led to the development of groundbreaking methods in crankshaft manufacture. His work not only impacts efficiency but also contributes significantly to the automotive sector's evolution.

Collaborations

Throughout his career, Fukuyasu has collaborated with notable engineers including Junichi Okubo and Kunihiro Yoshida. Their collective expertise has enabled the development of innovative manufacturing techniques that push the boundaries of crankshaft production. This teamwork reflects the importance of collaboration in driving forward advancements in technology.

Conclusion

Tomihiko Fukuyasu stands out as a leading figure in the field of crankshaft manufacturing, with his patents paving the way for enhanced manufacturing processes. His innovative techniques and collaborative efforts exemplify the vital role of inventors in shaping industry standards and improving production efficiency. As he continues to develop new technologies, the impact of his work will likely resonate throughout the manufacturing landscape for years to come.