Location History:
- Kawasaki, JP (2002)
- Hachioji, JP (2006)
Company Filing History:
Years Active: 2002-2006
Title: The Innovations of Katsuya Yamashita: Pioneering Optical Communication Technology
Introduction: Katsuya Yamashita, an accomplished inventor based in Hachioji, Japan, has made significant contributions to the field of optical communication. With two patents to his name, his work is highly regarded in the industry for its innovative approaches to signal processing and transmission.
Latest Patents: Among Katsuya Yamashita's notable patents are the "Phase Lock Loop Circuit" and the "Optical Repeating Apparatus, Optical Terminal Apparatus, and Optical Communication System Having the Same." The PLL circuit he developed adjusts the output of a phase comparator based on the space-to-mark transition probability of the input signal, ensuring that the output frequency and phase of the voltage-controlled oscillator remain consistent. This capability is particularly beneficial in maintaining a set phase for timing clocks even under varying conditions. Furthermore, his optical receiving apparatus efficiently processes signal lights with different transmission rates, which enhances reception characteristics by optimizing the equalizing amplifier’s band according to the detected transmission rate.
Career Highlights: Katsuya Yamashita has been associated with Fujitsu Corporation, where he has been instrumental in advancing optical communication technologies. His work has greatly impacted the efficiency and reliability of optical systems, which are essential in today’s high-speed communication networks.
Collaborations: Throughout his career, Katsuya has collaborated with esteemed colleagues such as Takeshi Ihara and Hiroshi Hamano. Together, they have contributed to the development of pioneering technologies that enhance the performance of optical communication devices.
Conclusion: Katsuya Yamashita stands out as a vital contributor to the field of optical communications. His inventive spirit and dedication to technology continue to influence advancements in the industry. As optical communication systems grow in importance, his contributions ensure that they remain robust and efficient in meeting the demands of modern communication.
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.