Location History:
- Sodeguara, JP (1979)
- Sodegaura, JP (1985)
- Chiba, JP (1995)
Company Filing History:
2 out of 2,271 
1 out of 5 
1 out of 4 Years Active: 1979-1995
Title: **The Innovative Contributions of Takatoshi Kunihiro**
Introduction
Takatoshi Kunihiro, located in Chiba, Japan, is an esteemed inventor known for his innovative advancements in the field of engineering. With a total of three patents to his name, Kunihiro has made significant contributions, particularly in the design of evaporators and the production of high-quality refrigerator oils.
Latest Patents
One of his latest patents is the **Thin Layer Liquid Film Type Evaporator**. This invention involves a cylindrical heating column equipped with a heater, which heats the column effectively. It includes a liquid film forming plate designed to create a liquid film that flows through a clearance between its outer edge and the column's inner surface. This innovation facilitates an efficient evaporation process due to its straightforward mechanism.
Another noteworthy patent is the **Process for the Production of Refrigerator Oil**. This process produces high-quality refrigerator oil from an oil fraction by utilizing a solvent to extract undesirable components, thus lowering the % C.sub.A of the oil fraction. Following this, the extracted fraction is hydrogenated under specific conditions and purified using a solid absorbent to eliminate impurities. This innovative approach utilizes a low-grade naphthenic crude oil as the initial material.
Career Highlights
Throughout his career, Takatoshi Kunihiro has held positions at notable companies, including Idemitsu Kosan Company, Limited and Idemitsu Kosan, Ltd. His extensive experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.
Collaborations
Kunihiro has worked alongside distinguished coworkers such as Yozo Iwao and Susumu Yamamoto. Their collaborative efforts have played a vital role in the successful development of innovative technologies within the field, enhancing the overall efficacy of their projects.
Conclusion
Takatoshi Kunihiro's contributions to engineering and innovation are commendable. His patents reflect a commitment to improving existing technologies and processes, emphasizing efficiency and quality. As his work continues to inspire, it is evident that Kunihiro's legacy in the world of inventions will remain influential for years to come.