Location History:
- Higashikurume, JA (1977 - 1978)
- Higashikurume, JP (1980 - 1985)
Company Filing History:
6 out of 33 
1 out of 1 Years Active: 1977-1985
Title: The Innovations of Hikaru Takematsu
Introduction
Hikaru Takematsu is a notable inventor based in Higashikurume, Japan. He has made significant contributions to the field of telecommunications, holding a total of six patents. His work has focused on improving communication systems and enhancing the efficiency of signal transmission.
Latest Patents
One of Takematsu's latest patents is a control signal transmission system for key telephone systems. This system allows control signal information to be transmitted in a parallel signal configuration between multiple key telephone sets and a key service unit. The design utilizes transmission lines that correspond one-to-one with individual key telephone sets, ensuring that information is transmitted using a serial signal format of a frame configuration. This innovation synchronizes time slots of respective frames across all transmission lines.
Another significant patent is a channel switching network. In this invention, each cross-point of a switch matrix is designed as a balanced type channel switch using two PNPN semiconductor elements. These elements are arranged to allow direct current to flow from the channel switching network to the corresponding terminal equipment. The design includes a control circuit for managing the terminal voltage of the power source, enabling the PNPN elements to be turned ON at the selected cross-point.
Career Highlights
Throughout his career, Hikaru Takematsu has worked with several prominent companies, including Iwasaki Tsushinki Kabushiki Kaisha and the Telegraph & Telephone Public Corporation. His experience in these organizations has contributed to his expertise in telecommunications and innovation.
Collaborations
Takematsu has collaborated with notable individuals in the field, including Akihiko Suzuki and Koichi Sekiguchi. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Hikaru Takematsu's contributions to telecommunications through his patents demonstrate his commitment to innovation and improvement in communication systems. His work continues to influence the industry and inspire future advancements.
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.