Shigeo Otsuka

Title: Shigeo Otsuka: Innovator in Ferrous Seal Sliding Parts

Introduction

Shigeo Otsuka is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of ferrous seal sliding parts. His innovative work has led to advancements that enhance the performance and durability of these components.

Latest Patents

Otsuka holds a patent for "Ferrous seal sliding parts and producing method thereof." This invention provides a ferrous seal sliding part that excels in heat crack resistance, seizing resistance, and abrasion resistance. The design features a seal sliding surface with a martensite parent phase that forms a solid solution with carbon content ranging from 0.15 to 0.6 wt %. Additionally, it includes a first dispersion material, which can be either cementite (5 to 70% by volume) or MC-type carbide (0.1 to 10% by volume), and a second dispersion material, which can be either graphite (1 to 15% by volume) or a Cu alloy phase (1 to 20% by volume). The total content of these dispersion materials is maintained between 5 to 70% by volume.

Career Highlights

Shigeo Otsuka is associated with Komatsu Corporation, a leading company in the manufacturing of construction and mining equipment. His work at Komatsu has allowed him to apply his innovative ideas in practical applications, contributing to the company's reputation for quality and reliability in engineering.

Collaborations

Otsuka has collaborated with notable colleagues, including Takemori Takayama and Koji Yamada. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Shigeo Otsuka's contributions to the field of ferrous seal sliding parts demonstrate his commitment to innovation and excellence in engineering. His patent reflects a significant advancement in material science, showcasing the potential for improved performance in industrial applications.