This inventor holds 49 USPTO granted patents, plus 2 CIPO patents, primarily in Optical Recording Media. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsui Chemicals, Inc., Yamamoto Chemicals, Inc.. Active years: 1988-2014.
Location History:
- Omuta, JP (1993)
- Ohmuta, JP (1988 - 1994)
- Fukuoka, JP (1991 - 1995)
- Fukuoka-ken, JP (1996)
- Yokohama, JP (1997 - 1998)
- Kanagawa-ken, JP (1997 - 1999)
- Kanagawa, JP (1999 - 2003)
- Yao, JP (2014)
Company Filing History:
26 out of 1,379 
20 out of 1,814 
8 out of 73 
Years Active: 1988-2014
Areas of Expertise:
Title: Innovations of Keisuke Takuma: A Leader in Heat-Sensitive Technology
Introduction
Keisuke Takuma, located in Kanagawa, Japan, is a renowned inventor with a remarkable portfolio of 49 patents to his name. His work primarily focuses on advancing heat-sensitive technologies, significantly impacting industries related to recording materials and color development.
Latest Patents
Among his latest innovations, Takuma developed a heat-sensitive color-developing composition, which includes a hydroxyquinoline compound accompanied by an acid anhydride compound. This composition is crucial in creating heat-sensitive recording materials, providing a reliable method for recording information through temperature changes. His other notable patent addresses sulfur compounds and their applications, further showcasing his expertise in chemical innovation.
Career Highlights
Throughout his career, Takuma has made significant contributions while working with leading chemical companies. Notably, he has been associated with Mitsui Toatsu Chemicals, Incorporated and Mitsui Chemicals, Inc., where he has played key roles in research and development, driving forward new product lines and technologies.
Collaborations
Collaboration has been a vital aspect of Takuma's career. He has worked alongside esteemed colleagues such as Tsukasa Ohyama and Kenichi Sugimoto, joining forces to foster innovation and enhance the capabilities of heat-sensitive materials. These collaborations have yielded groundbreaking advancements, further solidifying their impact on the industry.
Conclusion
Keisuke Takuma's contributions to heat-sensitive technology through his extensive patent portfolio reflect his commitment to innovation and excellence in the field. With his latest inventions paving the way for future advancements, he continues to inspire other inventors and researchers in the pursuit of scientific progress.