Location History:
- Yokohami, JP (2001)
- Kanagawa, JP (2003 - 2010)
- Yokohama, JP (2000 - 2018)
Company Filing History:
12 out of 10,264 
1 out of 80 Years Active: 2000-2018
Title: Kazunari Hattori: Innovator in Optical Fiber Technology
Introduction
Kazunari Hattori is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of optical fiber technology. With an impressive portfolio of 13 patents, Hattori has demonstrated his expertise in innovation and invention within this specialized area.
Latest Patents
One of his latest inventions is the method for fusion splicing optical fibers, which specifically addresses the fusion splicing of a holey optical fiber with a large number of air holes in its cladding. This method utilizes arc discharge heating to achieve a breakthrough in the splicing process. Initially, the process applies arc discharge heating to elevate the temperature behind the end surface of the holey optical fiber, making its tip transparent. Once the cores are aligned, the final fusion splicing occurs through a second application of arc discharge heating. This innovative technique incorporates an arc heating time ideally between 200 to 400 milliseconds, enhancing the efficiency and effectiveness of fiber connections.
Career Highlights
Kazunari Hattori has had a noteworthy career, contributing his talents to leading companies such as Sumitomo Electric Industries and Sei Optifrontier. His work in these organizations has helped advance the optical fiber technologies that are crucial for modern communication systems.
Collaborations
Throughout his career, Hattori has collaborated with esteemed colleagues, including Tsutomu Watanabe and Yutaka Ito. These partnerships have fostered an environment of innovative thinking, allowing for the development of advanced technologies that continue to impact the industry positively.
Conclusion
In summary, Kazunari Hattori stands out as a key figure in the realm of optical fiber innovation, with a solid foundation of patents and a successful career marked by significant collaborations. His contributions enhance technology's reliability and functionality, paving the way for future advancements in the field.