Location History:
- Kobe, JP (1987 - 1992)
- Takasago, JP (2005 - 2014)
Company Filing History:
5 out of 1,883 
4 out of 1,100 
1 out of 121 Years Active: 1987-2014
Title: Shigeo Kofune: Innovator in Hot Isostatic Pressing Technology
Introduction
Shigeo Kofune is a prominent inventor based in Takasago, Japan. He has made significant contributions to the field of hot isostatic pressing, holding a total of 10 patents. His innovative methods and devices have advanced the efficiency and effectiveness of this technology.
Latest Patents
Kofune's latest patents include a hot isostatic pressing method and apparatus. This method involves accommodating workpieces within a high-pressure vessel filled with an inert gas at high temperature and pressure. A cooling step is performed after maintaining these conditions for a predetermined time, where liquid inert gas is introduced to shorten the cycle time of the HIP apparatus. Additionally, he has developed a hot isostatic pressing device that features an inner casing, outer casing, and heating means within a high-pressure container. This device includes a first cooling means for circulating pressure medium gas and a second cooling means for maintaining thermal uniformity within the hot zone. These innovations enhance cooling efficiency while ensuring optimal operational conditions.
Career Highlights
Throughout his career, Kofune has worked with notable companies such as Kobe Steel, Ltd. and Kabushiki Kaisha Kobe Seiko Sho. His experience in these organizations has allowed him to refine his expertise in hot isostatic pressing technology.
Collaborations
Kofune has collaborated with esteemed colleagues, including Makoto Yoneda and Takao Fujikawa. Their joint efforts have contributed to the advancement of innovative solutions in their field.
Conclusion
Shigeo Kofune's work in hot isostatic pressing technology exemplifies his dedication to innovation and efficiency. His patents and collaborations reflect a commitment to advancing manufacturing processes.
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.