Atsushi Otani

Title: Innovations by Atsushi Otani

Introduction

Atsushi Otani is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of communication systems and network technology. With a total of 2 patents, his work focuses on enhancing the efficiency and synchronization of communication devices.

Latest Patents

Atsushi Otani's latest patents include a communication system and a time synchronization method. In his communication system utilizing a Passive Optical Network (PON), he addresses the time synchronization of slave devices, such as base stations, in relation to master devices like Layer 2 Switches (L2SW). The method involves correcting time information acquired from GPS satellites using ranging information from the discovery function of an Optical Line Terminal (OLT). This ensures that the time information for each Optical Network Unit (ONU) is accurately synchronized.

His second patent pertains to a premises gateway device that performs encryption and decryption under the IPsec protocol. This device varies the throughput of its processor based on the type of data being processed, thereby reducing power consumption. It connects various home network equipment, such as telephones and PCs, and transmits data through an ISP and an IPsec tunnel.

Career Highlights

Atsushi Otani is currently employed at Hitachi, Ltd., where he continues to innovate in the field of communication technology. His work has been instrumental in developing systems that enhance data transmission and synchronization across networks.

Collaborations

He collaborates with notable colleagues, including Makoto Hasegawa and Kazuyori Umematsu, contributing to advancements in their shared field of expertise.

Conclusion

Atsushi Otani's contributions to communication technology through his patents reflect his commitment to innovation and efficiency. His work continues to influence the development of advanced communication systems.