Location History:
- Tochigi-ken, JP (2001)
- Shimotsuga-gun, JP (1999 - 2014)
- Tochigi, JP (2017 - 2023)
Company Filing History:
10 out of 229 
1 out of 89 
1 out of 21,862 
Years Active: 1999-2023
Title: Hiroshi Oshige: Innovator in Iron-Based Sintered Alloys
Introduction
Hiroshi Oshige is a prominent inventor based in Tochigi, Japan, known for his significant contributions to the field of materials engineering. With a total of 10 patents to his name, he has made remarkable advancements in the development of iron-based sintered alloys, particularly for use in internal combustion engines.
Latest Patents
One of his latest patents focuses on an iron-based sintered alloy valve seat for internal combustion engines. This innovative valve seat insert is designed to provide excellent heat dissipation and wear resistance. It is press-fitted into an aluminum alloy cylinder head and consists of two integrated layers: a functional member side layer and a supporting member side layer. The outer surface is coated with a copper plating film, which enhances its durability. The insert is engineered to maintain wear resistance while simplifying the manufacturing process. Additionally, the structure of the valve seat insert includes a fine carbide precipitation phase, which significantly improves valve train durability.
Career Highlights
Throughout his career, Hiroshi Oshige has worked with notable companies such as Nippon Piston Ring Co., Ltd. and Nittan Valve Co., Ltd. His expertise in materials science has led to the development of innovative solutions that address the challenges faced in engine performance and longevity.
Collaborations
Hiroshi has collaborated with esteemed colleagues, including Kenichi Sato and Satoshi Ikemi, to further enhance the research and development of advanced materials for automotive applications.
Conclusion
Hiroshi Oshige's contributions to the field of iron-based sintered alloys have positioned him as a key figure in automotive engineering. His innovative patents continue to influence the industry, ensuring improved performance and durability in internal combustion engines.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.