Katuhiko Ishikawa

Title: Katuhiko Ishikawa: Innovator in Diesel Fuel Production

Introduction

Katuhiko Ishikawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of diesel fuel production, holding a total of 3 patents. His work focuses on improving the quality and environmental impact of diesel fuels.

Latest Patents

Ishikawa's latest patents include a manufacturing process for diesel gas oil with a high cetane number and low sulfur content. This innovative process ensures that the cetane number is at least 45, with sulfur content below 350 ppm, while also enhancing storage stability. The method involves a two-stage process that utilizes hydrogen and specific catalysts to transform petroleum distillate oils with low cetane numbers and high sulfur content into high-quality diesel fuel.

Another significant patent is for the production of low-sulfur diesel gas oil, which has a sulfur content of 0.05% by weight or lower. This process also improves the color and oxidation stability of the fuel. It involves a hydro-treating catalyst and specific temperature and pressure conditions to achieve the desired results.

Career Highlights

Throughout his career, Ishikawa has worked with prominent companies such as Nippon Co., Ltd. and Nippon Petroleum Refining Company, Limited. His experience in these organizations has allowed him to develop and refine his innovative processes in diesel fuel production.

Collaborations

Ishikawa has collaborated with notable colleagues, including Masaru Ushio and Tamio Nakano. Their combined expertise has contributed to the advancement of technologies in the petroleum industry.

Conclusion

Katuhiko Ishikawa's contributions to diesel fuel production through his innovative patents demonstrate his commitment to improving fuel quality and environmental standards. His work continues to influence the industry and pave the way for future advancements.