Company Filing History:
Years Active: 2012
Title: Innovations by Toshinari Nishimura
Introduction
Toshinari Nishimura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of valve gear technology, holding a total of 2 patents. His work focuses on improving the reliability and durability of valve systems used in various industrial applications.
Latest Patents
Nishimura's latest patents include a valve gear featuring a valve stem and a valve bush designed to prevent corrosion due to potential differences. This innovative valve gear can reduce corrosion even under microvibration loads. The valve stem is crafted from a forged Ni-based superalloy, while the valve bush is made from a cast Ni-based superalloy. The optimal surface roughness for the sliding surfaces of both components is specified to be 100 µm or less in units of Rz. Another significant patent involves a valve gear with a bearing that has a sliding surface against a valve shaft. This invention enhances the reliability of the valve gear by utilizing a cobalt-based alloy welded through plasma power building up. The design includes a welded layer on the sliding surface, which consists of a first welded layer with a dilution ratio of 5 to 25% and a second welded layer with a dilution ratio of 50% or less of the first layer's dilution ratio.
Career Highlights
Throughout his career, Nishimura has worked with prominent companies such as Mitsubishi Heavy Industries Limited and Mitsubishi Hitachi Power Systems, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in valve technology.
Collaborations
Nishimura has collaborated with talented individuals in his field, including Mao Takei and Takahiko Hirohata. These partnerships have contributed to the advancement of his inventions and the successful implementation of his patented technologies.
Conclusion
Toshinari Nishimura's contributions to valve gear technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials and engineering principles, making him a valuable figure in the field of industrial technology.