Seiji Koike

Title: Seiji Koike: Innovator in Opto-Reflector Technology

Introduction

Seiji Koike is a notable inventor based in Fujimino, Japan. He has made significant contributions to the field of opto-reflector technology, holding a total of 2 patents. His work focuses on enhancing detection capabilities and reducing spatial requirements in optical systems.

Latest Patents

Koike's latest patents include an innovative opto-reflector designed to shorten the distance to a detection target. This advancement allows for the precise detection of closer targets, thereby contributing to a reduction in the arrangement space required for such systems. The opto-reflector comprises a plate-shaped substrate, a light-emitting element, and a light-receiving element mounted on the substrate. It also features a light-transmitting resin layer that seals both elements and a light shielding portion positioned between them. This design enables a portion of the light beam to be directly transferred between the light-emitting and light-receiving elements through the resin layer.

Another significant patent involves a semiconductor photodetector that achieves spectral sensitivity characteristics closely aligned with relative luminous characteristics at a low cost. This invention utilizes a light-receiving element made from silicon, which has high spectral sensitivity in the wavelength range of approximately 400 nm to 1100 nm. The optical transmitting resin used in this patent is created by dispersing metal boride micro-particles in a transparent resin, effectively blocking light in wavelengths of approximately 700 nm or above.

Career Highlights

Seiji Koike is currently employed at New Japan Radio Co., Ltd., where he continues to innovate in the field of optoelectronics. His work has been instrumental in advancing technologies that enhance detection and measurement capabilities in various applications.

Collaborations

Koike collaborates with esteemed colleagues such as Fumiaki Ohno and Fumio Takamura. Their combined expertise contributes to the development of cutting-edge technologies in the field.

Conclusion

Seiji Koike's contributions to opto-reflector technology and semiconductor photodetectors highlight his role as a leading inventor in Japan. His innovative patents reflect a commitment to advancing optical detection systems, making significant strides in the field.