Location History:
- Hiroshima, JP (2018)
- Tokyo, JP (2018 - 2022)
- Chiyoda-ku, JP (2024)
Company Filing History:
Years Active: 2018-2024
Title: Norifumi Hirota: Innovator in Carbon Fiber Technology
Introduction
Norifumi Hirota is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of carbon fiber technology, holding a total of 6 patents. His innovative work focuses on the development of advanced materials that enhance the performance and applications of carbon fibers.
Latest Patents
Hirota's latest patents include groundbreaking inventions such as a carbon fiber precursor acrylic fiber and a method for producing carbon fiber. The first aspect of his invention involves carbon fiber with a surface monofilament that has a center line average roughness Ra of 6.0 nm or more and 13 nm or less. Additionally, the monofilament features a long diameter/short diameter ratio of 1.11 or more and 1.245 or less. The second aspect pertains to carbon fiber precursor acrylic fiber, which has a surface roughness Ra of 18 nm or more and 27 nm or less, along with the same diameter ratio specifications. The carbon fiber is produced by stabilizing and carbonizing the precursor acrylic fiber under specific conditions. Another notable patent involves a method for producing a carbon fiber bundle, which includes a flame-proof treatment and carbonization treatment to enhance the fiber's properties.
Career Highlights
Hirota is currently employed at Mitsubishi Chemical Corporation, where he continues to push the boundaries of material science. His work has not only advanced the understanding of carbon fibers but has also opened new avenues for their application in various industries.
Collaborations
Hirota collaborates with talented individuals such as Takeshi Nii and Yuusuke Shinmen, contributing to a dynamic research environment that fosters innovation and creativity.
Conclusion
Norifumi Hirota's contributions to carbon fiber technology exemplify the spirit of innovation in material science. His patents reflect a commitment to advancing the capabilities of carbon fibers, which are essential in numerous applications today.
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.