Hirokazu Nishijima

Title: Hirokazu Nishijima: Inventor of Electronic Timepiece and Communication Technologies.

Introduction

Hirokazu Nishijima is an inventor based in Shiojiri, Japan, whose work includes innovations in electronic timepieces and communication systems. He is associated with Seiko Epson Corporation and is listed with 2 patents.

Latest Patents

Nishijima’s listed patents address communication between electronic devices and control of timepiece displays.

“Communication system, electronic timepiece, and communication device” describes a system in which an electronic timepiece and a communication device exchange signals using both electromagnetic coupling and optical communication. One communicator transmits through a coil and receives optically, while the other transmits optically and receives through a coil.

“Electronic timepiece and movement” concerns a timepiece with a display, drive mechanism, crown, and control device. The crown selects between single and continuous correction modes. In continuous mode, the correction amount depends on the type of display information being adjusted.

Career Highlights

Nishijima’s patent work reflects a focus on practical electronic timepiece functions, including display adjustment and communication between devices. His listed inventions combine control mechanisms with different signal-transmission methods.

Collaborations

Nishijima is associated with Seiko Epson Corporation. His listed coworker is Norimitsu Baba.

Conclusion

Hirokazu Nishijima’s patents highlight contributions to electronic timepiece control and hybrid optical and electromagnetic communication systems.