Hiroshi Obuse

Title: Innovations of Hiroshi Obuse

Introduction

Hiroshi Obuse is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology and cleaning processes. With a total of 2 patents, his work focuses on enhancing efficiency and safety in various applications.

Latest Patents

One of his latest patents is a battery comprising gas absorbent material. This invention addresses the problem of efficiently absorbing gas produced within a battery in a space-conservative and cost-effective manner. The solution involves a secondary battery that includes a case where the positive and negative electrodes are sealed together with an electrolyte. It features an explosion prevention valve that allows high-pressure gas to escape when necessary. Additionally, the gas absorber, which may be located inside or outside the case, contains gas-absorbent material and a capsule made of hot-melt material.

Another significant patent by Hiroshi Obuse is a cleaning process for printed circuit boards. This process involves contacting the board, which has flux residue, with a cleaning composition that includes a first solvent and an organic compound, followed by a second solvent. The first solvent is an aliphatic hydrocarbon solvent with 5 to 20 carbon atoms, while the organic compound can be a 1-alkyl-2-pyrrolidone, tri-alkylphosphine oxide, or di-alkylsulfoxide, all within specific carbon ranges. Notably, this cleaning composition does not contain halogen compounds.

Career Highlights

Hiroshi Obuse has worked with prominent companies such as Kurita Water Industries Ltd. and GS Yuasa International Ltd. His experience in these organizations has contributed to his expertise in innovative technologies.

Collaborations

Throughout his career, Hiroshi has collaborated with notable individuals, including Yohei Shibata and Yoshinobu Yasunaga. These collaborations have likely enriched his work and led to further advancements in his field.

Conclusion

Hiroshi Obuse's contributions to battery technology and cleaning processes highlight his innovative spirit and dedication to improving efficiency and safety. His patents reflect a commitment to addressing real-world problems through inventive solutions.