This inventor holds 2 USPTO granted patents. Top assignees: Chiyoda Chemical Engineering Construction Co., Ltd., Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1978-1981.
Company Filing History:


Years Active: 1978-1981
Title: Hisatoshi Ohwada: Innovator in Thermal Cracking Technology
Introduction
Hisatoshi Ohwada is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of thermal cracking technology, particularly in the processing of heavy oils. With a total of 2 patents to his name, Ohwada's work has had a considerable impact on the industry.
Latest Patents
Ohwada's latest patents include a "Reactor for the thermal cracking of heavy oil" and a "Method for the thermal cracking of heavy oil." The reactor is designed as a closed system that features an internally mounted, rotatable injection pipe. This innovative design allows for the spurt of preheated raw material under pressure against the inner wall surfaces of the reactor while rotating, effectively removing coke deposits from previous operations. The method for thermal cracking employs a similar rotary injection pipe, enhancing the efficiency of the batch thermal cracking process for heavy oils, such as steam blowing for the production of binder pitch.
Career Highlights
Throughout his career, Ohwada has worked with prominent companies, including Kureha Kagaku Kogyo Kabushiki Kaisha and Chiyoda Chemical Engineering Construction Co., Ltd. His experience in these organizations has contributed to his expertise in chemical engineering and thermal processing technologies.
Collaborations
Ohwada has collaborated with notable colleagues, including Hiroshi Hozuma and Masaharu Tomizawa. These partnerships have likely enriched his work and led to advancements in the field.
Conclusion
Hisatoshi Ohwada's contributions to thermal cracking technology demonstrate his innovative spirit and commitment to improving industrial processes. His patents reflect a deep understanding of the challenges in processing heavy oils, making him a significant figure in this area of research.