This inventor holds 36 USPTO granted patents and 7 published patent applications and 18 EPO patents, primarily in Polycarbonate Production. Top assignees: Mitsubishi Gas Chemical Company, Inc., Azbil Corporation, Nippon Steel Corporation. Active years: 1995-2025.
Location History:
- Ibaraki, JP (1998)
- Tsukuba, JP (1995 - 2002)
- Hyogo, JP (2015 - 2021)
- Katsushika-ku, JP (2022)
- Tokyo, JP (2010 - 2024)
Company Filing History:
32 out of 2,297Â 
2 out of 356Â 
2 out of 3,693Â 
Years Active: 1995-2025
Areas of Expertise:
Title: **The Innovative Mind of Hidefumi Harada: A Leader in Chemical Patent Development**
Introduction
Hidefumi Harada, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of chemical engineering with an impressive portfolio of 33 patents. His innovative methods in producing various chemical compounds have marked him as a notable figure among his peers in the industry.
Latest Patents
Among his latest patents are significant advancements in the production of aromatic nitrile compounds and carbonate esters. The invention detailing a method for producing aromatic nitrile compounds presents a dehydration reaction that allows for the selective and high-yield generation of desired compounds while minimizing by-products during the conversion of aromatic amide compounds. Furthermore, this technique facilitates the efficient production of carbonate esters by applying the aforementioned method to their synthesis. Another remarkable patent introduced by Harada is a streamlined approach to producing dialkyl carbonates, which combines carbon dioxide and alcohol in the presence of a carbodiimide compound. This process simplifies production with reduced reaction times, making it a noteworthy advancement in the field.
Career Highlights
Harada has been associated with prestigious companies, notably Mitsubishi Gas Chemical Company, Inc. and Azbil Corporation, where he has played a key role in developing innovative chemical technologies. His work has not only contributed to advancements in chemical production but has also paved the way for new methodologies that enhance efficiency and sustainability in chemical processing.
Collaborations
Throughout his career, Hidefumi Harada has collaborated with esteemed colleagues, including Takehiko Isobe and Yousuke Shinkai. These partnerships have fostered a productive environment for innovation, enabling the sharing of ideas that lead to groundbreaking inventions in their respective fields.
Conclusion
With a robust portfolio of patents and a commitment to advancing chemical engineering, Hidefumi Harada stands as a testament to the impact of innovation and collaboration in the technology sector. His contributions not only address current challenges but also set the stage for future developments in the chemical industry.