Yuji Hishiki

Title: Innovations by Yuji Hishiki

Introduction

Yuji Hishiki is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of communication technology, holding a total of 5 patents. His work focuses on developing efficient and low-power communication devices.

Latest Patents

One of Hishiki's latest patents is a receiver for communication that features low noise and lower power consumption. This innovative receiver includes a CRC error correction circuit, which is constructed at a low cost, prolongs battery life, and enhances receiving sensitivity. The design comprises a data processing unit that continuously determines errors in received data encoded by a CRC code and corrects them by comparing with reference syndrome patterns. Additionally, it includes a microprocessor circuit with a data RAM connected to local data buses and local address buses, along with a serial data receiving apparatus that features state control means, a synchronizing circuit, an ID comparing circuit, and a circuit for gating the system clock. This high-performance, low-power consumption receiver can be realized with fewer additional circuits, providing more flexibility for increased services.

Another significant patent is for a semiconductor integrated circuit for communication and a battery-saving method. This integrated circuit includes a single oscillating circuit capable of flexibly handling changes in data rate or processing load. It is produced at a low cost and consumes minimal electric power. The design incorporates a frequency multiplying circuit inserted between the output of the oscillating circuit and a micro-controller circuit, or a frequency dividing circuit between the oscillating circuit and a data receiving circuit. A receiving address is stored in a dual port RAM, and by controlling the receiving frequency of synchronous codes, battery-saving efficiency is enhanced.

Career Highlights

Yuji Hishiki is currently employed at Seiko Instruments Inc., where he continues to innovate in the field of communication technology. His work has been instrumental in advancing the capabilities of communication devices, making them more efficient and user-friendly.

Collaborations

Hishiki has collaborated with notable coworkers, including Isamu Fujii and Shinichi Idomukai. Their combined expertise has contributed to the successful development of various communication technologies.

Conclusion

Yuji Hishiki's contributions to communication technology through his innovative patents demonstrate his commitment to enhancing device efficiency and performance. His work continues to influence the industry positively.