Location History:
- Mobara, JP (1991 - 1993)
- Chiba, JP (2000 - 2002)
Company Filing History:
5 out of 170 
1 out of 98 Years Active: 1991-2002
Title: Hisashi Miyakawa: Innovator in Desulfurization Technology
Introduction
Hisashi Miyakawa is a notable inventor based in Mobara, Japan, with a significant contribution to the field of environmental technology. Over his career, he has been awarded a total of five patents, showcasing his dedication to improving industrial processes, particularly in desulfurization methods.
Latest Patents
Miyakawa's latest innovations include two critical patents that enhance desulfurization techniques. The first patent, titled "Method for Desulfurizing Exhaust Gas," focuses on improving a magnesium hydroxide desulfurization method. This invention optimizes the replenishment method of a magnesium-based compound by adjusting the Mg/H2O ratio in the desulfurization system. It also introduces an innovative double decomposition method that employs a tank with an inner cylinder to effectively manage the slurry flow.
The second patent, "Desulfurization Process for Flue Gases," aims to prevent the formation of calcium sulfite in desulfurization columns. By maintaining the pH of the sorption liquid between 5.5 and 7.0, and controlling the chemical oxygen demand, Miyakawa ensures that high-quality gypsum is produced in the double composition vessel. His contributions in these areas indicate significant advancements in reducing sulfur emissions, benefitting both the industry and the environment.
Career Highlights
Throughout his career, Hisashi Miyakawa has worked with reputable companies such as Toyo Engineering Corporation and Asahi Denka Kogyo Co., Ltd. These experiences have helped him hone his expertise in developing innovative solutions for environmental challenges.
Collaborations
Miyakawa's professional journey includes collaborations with esteemed colleagues such as Takanobu Shinohara and Tetsuo Maeda. Together, they have driven advancements in desulfurization technologies, reflecting a strong team commitment towards innovation and excellence in environmental engineering.
Conclusion
Hisashi Miyakawa's contributions to the field of desulfurization technology have made a significant impact on industrial practices aimed at reducing environmental pollution. With five patents to his name, he stands out as an influential inventor dedicated to advancing cleaner technologies and fostering a sustainable future.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.