Shigeru Arai

Title: Shigeru Arai: Innovator in Illumination and Hydrogen Compression Technologies

Introduction

Shigeru Arai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of illumination devices and hydrogen compressor systems. With a total of 4 patents to his name, Arai's work reflects a commitment to advancing technology in practical and efficient ways.

Latest Patents

One of Arai's latest patents is an illumination device designed to emit light with minimal color inconsistency. This device utilizes a simple structure to achieve favorable productivity. It incorporates a plurality of multi-color light emitting diodes, each consisting of LED chips with different light emission colors. These diodes are arranged on the same surface to mix and emit light effectively. Notably, at least one multi-color light emitting diode is positioned at a prescribed angle relative to another, ensuring that LED chips with the same emission color do not overlap when translated.

Another significant patent is a hydrogen compressor system. This system includes a hydrogen generating apparatus that produces hydrogen gas for fuel cell vehicles. It features a multi-stage reciprocating compressor that pressurizes the hydrogen gas generated. High-pressure tanks, capable of withstanding a maximum use pressure of 20 MPa, are connected to the compressor's middle stages via gas supplying lines and valves. This design allows for selective supply of hydrogen gas from the tanks to the compressor.

Career Highlights

Throughout his career, Shigeru Arai has worked with prominent companies such as Hitachi Plant Technologies, Ltd. and Hitachi Industries Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Arai has collaborated with notable colleagues, including Youichirou Fukai and Haruo Miura. These partnerships have likely enhanced his work and led to further advancements in his projects.

Conclusion

Shigeru Arai's contributions to illumination and hydrogen compression technologies demonstrate his innovative spirit and dedication to improving efficiency in these fields. His patents reflect a blend of creativity and practicality, positioning him as a significant figure in modern technological advancements.