Location History:
- Yokohama, JP (2004 - 2005)
- Tokyo, JP (2005)
Company Filing History:
1 out of 389 
1 out of 3 
1 out of 1,328 
Years Active: 2004-2005
Title: Innovations by Katsumi Hirata
Introduction
Katsumi Hirata is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 3 patents. His work focuses on improving measurement precision in optical systems.
Latest Patents
One of his latest patents is an optical pulse testing device. This device enhances measuring precision by detecting returned lights with different wavelengths. It compensates for errors based on the difference in propagation rates of these lights within the optical fiber. Another significant patent is an optical fiber measuring apparatus. This apparatus utilizes a light source to send an optical pulse through an optical demultiplexer. The return light is processed to generate measurement waveforms, allowing for accurate data collection at specific distances within the optical fiber.
Career Highlights
Throughout his career, Katsumi Hirata has worked with various companies, including Ando Electric Company. His expertise in optical technologies has positioned him as a key figure in the industry.
Collaborations
Katsumi has collaborated with notable individuals such as Tetsuya Araki and Makoto Kuratsu. These partnerships have contributed to the advancement of his innovative projects.
Conclusion
Katsumi Hirata's contributions to optical fiber technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in measurement precision and optical systems.