Location History:
- Kawasaki, JA (1978)
- Tokyo, JP (1980 - 1989)
- Omiya, JP (2003 - 2007)
Company Filing History:
15 out of 586 
2 out of 55 
1 out of 9 
Years Active: 1978-2007
Title: Jinichi Yazaki – Innovator in Terephthalic Acid Recovery
Introduction
Jinichi Yazaki is a prominent inventor based in Tokyo, Japan, with a remarkable portfolio comprising 17 patents. His innovative work primarily revolves around the recovery and processing of materials, particularly in the field of polyethylene terephthalate (PET) recycling. Through his inventions, Yazaki has made significant contributions to sustainable practices in material recovery.
Latest Patents
Yazaki's latest innovation is a patent for a process for recovering terephthalic acid from pulverized products of spent polyethylene terephthalate. This novel process includes several critical steps:
1. **Decomposition Reaction Step**: Pulverized PET products are subjected to a decomposition reaction in ethylene glycol in the presence of an alkali, allowing for the continuous production of salt of terephthalic acid and ethylene glycol.
2. **Solid-Liquid Separation, Dissolution, Impurities-Removing Step**: The ethylene glycol is separated from the slurry, and the solid salt of terephthalic acid is dissolved in water, where insoluble impurities are effectively removed.
3. **Neutralization, Crystallization Step**: The solution of the salt is neutralized using an acid, leading to the crystallization of terephthalic acid.
4. **Solid-Liquid Separation, Washing Step**: The terephthalic acid crystals undergo solid-liquid separation to obtain clean crystals, which are washed for purity.
5. **Drying, Pulverization Step**: Finally, the washed terephthalic acid crystals are dried and pulverized, completing the recovery process.
This innovative approach enhances the efficiency of recycling PET, contributing to environmental sustainability.
Career Highlights
Throughout his career, Yazaki has been associated with notable companies such as Toyo Seikan Kaisha, Ltd. and Tsukishima Kikai Co., Ltd. These experiences have particularly shaped his expertise in materials engineering and innovation in chemical processes.
Collaborations
Jinichi Yazaki has worked alongside distinguished colleagues, including Kozaburo Sakano and Toru Suzuki. Their collaborations have played a pivotal role in advancing research and development in the field of material recovery.
Conclusion
Jinichi Yazaki's contributions to the field of recycling and material processing reveal his dedication to innovative solutions for environmental challenges. As an inventor with a strong portfolio of patents, his work continues to inspire progress in sustainable technologies.