Location History:
- Annaka, JP (2002 - 2005)
- Ibaraki, JP (2010)
Company Filing History:
5 out of 5,966 
1 out of 42 Years Active: 2002-2010
Title: Mitsukuni Sakashita: Innovator in Optical Fiber Technology
Introduction
Mitsukuni Sakashita is a notable inventor based in Annaka, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 6 patents. His innovative methods have advanced the manufacturing processes of optical fibers, showcasing his expertise and dedication to the field.
Latest Patents
Sakashita's latest patents include a method of elongating optical fiber base material and an apparatus for elongating the same. This method involves heating and softening the base material ingot in an electric furnace, drawing it with a pair of pinch rollers, and elongating it to create a base material rod with a smaller diameter than the ingot. The process features the formation of either a roller groove with a curvature radius larger than the outer diameter of the base material rod or a V-shaped roller groove with a cross-section consisting of straight lines on the surface of the pinch roller made of metal. Additionally, he has developed a method for manufacturing optical fibers that includes setting heating conditions for a glass rod, which serves as the parent material, and adjusting the elongating speed based on a prescribed numerical value that changes with the progress of elongation.
Career Highlights
Throughout his career, Mitsukuni Sakashita has worked with prominent companies such as Shin-Etsu Chemical Co., Ltd. and Shin-Etsu Chemical Corporation. His work in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical fiber technology.
Collaborations
Sakashita has collaborated with notable individuals in his field, including Waichi Yamamura and Tadakatsu Shimada. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Mitsukuni Sakashita's contributions to optical fiber technology through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements in optical fiber manufacturing.
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.