Company Filing History:
3 out of 36,499 
1 out of 89 Years Active: 1990-2020
Title: Hitoshi Ishii: Innovator in Joint Structures and Lubrication Technologies
Introduction
Hitoshi Ishii is a notable inventor based in Chita, Japan. He has made significant contributions to the fields of joint structures and lubrication technologies, holding a total of 3 patents. His work has been instrumental in advancing the performance and reliability of various mechanical systems.
Latest Patents
Ishii's latest patents include innovative designs that enhance the functionality of devices involving gas passage. One of his key inventions is a joint structure that connects a ceramic member and a metal member. This joint structure features a glass portion and a metal solder portion, which offers higher corrosion resistance compared to the glass. The design ensures that the area of contact between the metal solder and the gas is larger than that of the glass, optimizing performance.
Another significant patent is a grease composition specifically formulated for constant velocity joints. This composition includes a base oil, a urea thickener, and various organic molybdenum compounds, along with calcium salts. The grease effectively reduces vibration and frictional wear, thereby enhancing the longevity and efficiency of constant velocity joints.
Career Highlights
Throughout his career, Hitoshi Ishii has worked with prominent companies such as Toyota Motor Corporation and Kyodo Yushi Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to the development of advanced automotive and lubrication technologies.
Collaborations
Ishii has collaborated with talented individuals in his field, including Shigeki Shiraya and Takeshi Nakakobara. These partnerships have fostered a creative environment that has led to the successful development of his patented technologies.
Conclusion
Hitoshi Ishii's contributions to joint structures and lubrication technologies highlight his innovative spirit and dedication to improving mechanical systems. His patents reflect a deep understanding of material properties and engineering principles, making him a valuable figure in the field of invention.
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.