Shigemori Ookawa

Title: Shigemori Ookawa: Packet Transfer and Communication Network Innovations.

Introduction

Shigemori Ookawa is an inventor associated with Fujitsu Corporation in Hakusan, Japan. His work focuses on packet transfer and communication network technologies. He is credited with 4 patents.

Latest Patents

Ookawa’s recent patent work includes innovations in packet scheduling and address learning.

“Packet Transfer Device and Packet Transfer Method” describes a device that manages high- and low-priority packet queues. It uses stored scheduling data to control packet output across time slots and adjusts the output period for lower-priority packets based on discard counts.

“Communication Device and Address Learning Method” addresses network address learning when a group reaches its maximum learning capacity. The method identifies a lower-priority group with eligible learning entries and replaces a correspondence relationship with one based on the received frame’s port, source address, and group identifier.

Career Highlights

Ookawa’s listed inventions reflect work on efficient packet handling and the management of address-learning capacity in communication devices. These approaches address network traffic scheduling and the allocation of limited learning resources.

Collaborations

His listed coworkers include Norikazu Hikimochi and Kiyoshi Miyano. His work is associated with Fujitsu Corporation.

Conclusion

Shigemori Ookawa’s patent portfolio highlights contributions to packet transfer and communication-device address learning, with an emphasis on managing network resources and traffic priorities.