Minoru Maruyama is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of mobile communication technology. With a total of 5 patents to his name, Maruyama's work has had a lasting impact on the industry.

Latest Patents

Maruyama's latest patents include a mobile communication method and a mobile telephone switching station. The mobile communication method is designed to be suitable for a purchased mobile unit system, a mobile telephone switching station, a customer management system, and a mobile unit. This innovative method involves writing a temporary ID, with communication restrictions, into a mobile unit prior to its shipment. After purchase, the mobile unit can initiate a registration procedure via a mobile communication network using the temporary ID, allowing for a permanent ID to be written into the device. This process enables a communication connection test to be conducted on the mobile unit before it leaves the factory, eliminating the need for a ROM writer at mobile unit shops.

Another significant patent focuses on the method of mobile unit registration and IC card registration. This invention aims to prevent illegal duplication of IDs and IC cards in mobile units. By storing a public key in an unalterable form during the manufacturing of a COB device, Maruyama ensures that each mobile unit is uniquely secured. The registration process involves entering encrypted information received from the communications carrier, thereby writing personal information securely into the mobile unit.

Career Highlights

Minoru Maruyama is currently employed at Fujitsu Corporation, where he continues to innovate in mobile communication technologies. His work has been instrumental in advancing the capabilities and security of mobile devices.

Collaborations

Throughout his career, Maruyama has collaborated with notable colleagues, including Shuuji Fujiwara and Kunio Watanabe. These partnerships have contributed to the development of cutting-edge technologies in the field.

Conclusion

Minoru Maruyama's contributions to mobile communication technology exemplify his dedication to innovation and security in the industry. His patents reflect a deep understanding of the challenges faced in mobile communications and provide solutions that enhance user experience and device security.

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