Company Filing History:
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1 out of 42,485 
Years Active: 1978
Title: Sigeru Ogawa: Innovator in Data Communication Systems
Introduction
Sigeru Ogawa is a notable inventor based in Musahino, Japan. He has made significant contributions to the field of data communication systems, particularly through his innovative patent.
Latest Patents
Ogawa holds a patent for an AC type line concentrator. This invention is designed for use in data communication systems and features a crosspoint switch circuit. The circuit consists of multiple crosspoint switches that can switch an analog signal, allowing a carrier signal modulated by a data signal to be transferred from one of the incoming lines to a selected outgoing line without demodulation.
Career Highlights
Throughout his career, Sigeru Ogawa has worked with prominent companies, including Hitachi Denshi Kabushiki Kaisha and Japanese National Railways. His experience in these organizations has contributed to his expertise in the field of data communication.
Collaborations
Ogawa has collaborated with notable coworkers such as Takashi Kurokawa and Michio Fujiwara. Their collective efforts have further advanced innovations in technology.
Conclusion
Sigeru Ogawa's contributions to data communication systems through his patent and career experiences highlight his role as an influential inventor. His work continues to impact the field significantly.
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.