Masahiro Shigyo is a notable inventor based in Chikushi-gun, Japan. He has made significant contributions to the field of wireless transmission technology, holding a total of 4 patents. His work focuses on improving communication systems and enhancing the reliability of wireless devices.

Latest Patents

Shigyo's latest patents include a repeater and an inter-network repeating method. This invention provides a repeater that automatically closes a dynamically opened port based on prior settings. The repeater features a port mapping table that associates a global IP address and an external port number with a local IP address and an internal port number of a terminal connected to a LAN. Additionally, it includes a control unit that converts the external port number to an internal port number and transfers it to the LAN. A timer unit counts the unoccupied time of the port after transferring a communications packet, while a port management unit checks for the presence of the registered machine on the LAN. If absent, it deletes the registration concerning the external port number from the port mapping table.

Another significant patent is a wireless transmission apparatus and control system. This invention transmits key operation information in a wireless signal form, effectively avoiding erroneous operations even in the presence of radio interference. The keyboard outputs a key make code when a key is pressed and a key break code when released. If the key break code cannot be transmitted due to noise, the transmission system regularly sends a fixed-term identification code to the reception system. If the reception system fails to detect this code, the transmission system automatically transmits an all-off code to notify that all keys are in a break state, thus preventing erroneous operations.

Career Highlights

Masahiro Shigyo is currently employed at Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work at this esteemed organization has allowed him to develop and refine his inventions, contributing to advancements in wireless communication technology.

Collaborations

Throughout his career, Shigyo has collaborated with notable coworkers, including Akihiro Matsubara and Yasushi Yokomitsu. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Masahiro Shigyo's contributions to wireless transmission technology exemplify his dedication to innovation

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