This inventor holds 10 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignees: Mitsui Chemicals, Inc., Mitsui Petrochemical Industries, Ltd., Asahi Kasei Chemicals Corporation. Active years: 1991-2013.
Location History:
- Iwakuni, JP (1991)
- Yamaguchi-ken, JP (1998)
- Waki-cho, JP (1998 - 2006)
- Tokyo, JP (2010)
- Otake, JP (2012)
- Ichihara, JP (2000 - 2013)
Company Filing History:
7 out of 1,815 
2 out of 1,008 
1 out of 510 
Years Active: 1991-2013
Title: Innovator Kenji Doi: Pioneering New Processes in Chemical Production
Introduction
Kenji Doi, an influential inventor hailing from Ichihara, Japan, is known for his significant contributions to chemical engineering. With a remarkable portfolio that includes 9 patents, Doi has been at the forefront of innovations that enhance the efficiency of chemical production processes.
Latest Patents
Doi's latest innovations include a series of processes aimed at improving the production of alkylated aromatic compounds and 2-propanol. His patent for a "Process for producing alkylated aromatic compounds" introduces an efficient method for creating compounds like cumene in a compact reactor setup. This method involves feeding raw materials, such as aromatic compounds and alcohol, in a gas-liquid downward concurrent flow to a fixed-bed reactor, thereby ensuring optimal reaction conditions.
In addition, Doi has developed a "Process for producing 2-propanol," which enhances purity while minimizing the production of impurities. This innovation entails the reaction of acetone with hydrogen in the presence of a hydrogenation catalyst, where the water content in the raw mixture is meticulously controlled.
Career Highlights
Throughout his career, Kenji Doi has collaborated with prominent companies within the industry, including Mitsui Chemicals, Inc. and Mitsui Petrochemical Industries, Ltd. His work there has not only contributed to his individual achievements but has also played a vital role in advancing the field of chemical manufacturing.
Collaborations
Doi has worked alongside esteemed colleagues such as Satoru Ohtani and Shinji Senoo. Their collaborative efforts have led to significant advancements in the technologies surrounding chemical processes, showcasing the synergy that effective teamwork can achieve in innovation.
Conclusion
Kenji Doi stands as a pivotal figure in the realm of chemical engineering, with a robust portfolio of patents and impactful innovations. His ongoing work continues to push the boundaries of efficiency in chemical production, making him a noteworthy inventor to watch in the field.