Hirokazu Shiga

Title: Hirokazu Shiga: Innovator in Fiber-Optic Technology

Introduction

Hirokazu Shiga is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of fiber-optic technology, holding a total of 3 patents. His innovative designs have advanced the capabilities of gyroscopic systems and optical fiber connections.

Latest Patents

One of Shiga's latest patents is a multi-axis fiber-optic gyroscope assembly. This assembly features gyroscope units shaped like tetragonal cones, with a square plate serving as the base. The base holds essential components such as a light source module, a light receiving unit, and an optical fiber coil. Directional couplers and a phase modulator, which includes a piezoelectric element, are also integrated into the design. The arrangement of these components allows for the detection of rotational angular velocities about three orthogonal axes, resulting in a compact and efficient gyroscope.

Another significant patent involves a method for connecting optical fibers sealed in metal pipes. This method allows for the connection of metal pipes containing optical fibers either directly or indirectly using a sleeve. The design ensures that no tensile stress resides in the connected optical fibers, enhancing the durability and reliability of the connections.

Career Highlights

Hirokazu Shiga has worked with prominent companies such as Hitachi Cable, Inc. and NKK Corporation. His experience in these organizations has contributed to his expertise in fiber-optic technology and gyroscopic systems.

Collaborations

Shiga has collaborated with notable coworkers, including Shigeo Toya and Yoshiyuki Hiramoto. Their combined efforts have furthered advancements in their respective fields.

Conclusion

Hirokazu Shiga's innovative work in fiber-optic technology and gyroscopic systems has made a lasting impact on the industry. His patents reflect a commitment to enhancing the functionality and efficiency of optical systems.