Company Filing History:
4 out of 21,351 
4 out of 832,680 Years Active: 1988-1989
Title: Sirikiat Ariyavisitakul: Innovator in Digital Communication Systems
Introduction
Sirikiat Ariyavisitakul is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of digital communication, holding a total of 4 patents. His innovative work has advanced the technology used in digital information transmission.
Latest Patents
One of his latest patents is a digital communication system that represents digital information using a quaternary information symbol (11, 01, 00, 10). This system employs a double step phase shift, with each step represented by (.pi./4, 3.pi./4, 5.pi./4, 7.pi./4). The design allows for a reduction in the number of phase shifts per unit time, decreasing it to half compared to a traditional .DELTA..theta./2-DSK system. This innovation also minimizes the expansion of bandwidth to half, enhancing the efficiency of digital communication.
Career Highlights
Throughout his career, Sirikiat has worked with prominent companies, including Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in digital communication technologies.
Collaborations
Sirikiat has collaborated with esteemed colleagues such as Fumio Ikegami and Susumu Yoshida. Their joint efforts have furthered advancements in the field of digital communication.
Conclusion
Sirikiat Ariyavisitakul is a distinguished inventor whose work in digital communication systems has made a lasting impact. His innovative patents and collaborations highlight his significant contributions to technology.
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.