Location History:
- Naka, JP (1993 - 1996)
- Tokaimura, JP (1997)
- Ibaraki, JP (1995 - 2000)
- Naka-gun, JP (2000)
- Tokyo, JP (2001 - 2002)
- Ibaraki-ken, JP (2004 - 2005)
Company Filing History:
9 out of 5,289 
1 out of 4,979 
1 out of 164 Years Active: 1993-2005
Title: The Innovations of Kuniharu Kato
Introduction
Kuniharu Kato is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of optical technology, holding a total of 11 patents. His work primarily focuses on wavelength multiplexing and demultiplexing technologies, which are crucial for enhancing communication systems.
Latest Patents
Kato's latest patents include a wavelength multiplexing/demultiplexing unit, a wavelength multiplexing/demultiplexing apparatus, and a wavelength multiplexing/demultiplexing method. These inventions involve an optical multiplexing/demultiplexing apparatus that connects multiple units operating in different wavelength bands hierarchically. Each unit features an input waveguide for receiving wavelength multiplexed optical waves, a filter for separating these waves, and an AWG optical multiplexer/demultiplexer for isolating individual optical waves of a single wavelength. Additionally, he has developed an optical wavelength division multiplexing transmission network device aimed at improving communication quality by reducing coherent crosstalk lights.
Career Highlights
Throughout his career, Kuniharu Kato has worked with notable organizations, including Nippon Telegraph and Telephone Corporation. His innovative approaches have led to advancements in optical communication technologies, making him a respected figure in his field.
Collaborations
Kato has collaborated with esteemed colleagues such as Yasufumi Yamada and Toshikazu Hashimoto. Their joint efforts have contributed to the development of cutting-edge technologies in optical multiplexing.
Conclusion
Kuniharu Kato's contributions to optical technology through his patents and collaborations have significantly impacted the field of communication. His innovative inventions continue to pave the way for advancements in wavelength multiplexing and demultiplexing technologies.
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.