Company Filing History:
2 out of 420 
1 out of 1,430 
Years Active: 1985-2025
Title: Hiroshi Nagaishi: Innovator in Food Freshness Evaluation and Coal Liquefaction
Introduction
Hiroshi Nagaishi is a notable inventor based in Sapporo, Japan. He has made significant contributions to the fields of food freshness evaluation and coal liquefaction. With a total of 3 patents to his name, Nagaishi's work reflects a commitment to advancing technology in these areas.
Latest Patents
Nagaishi's latest patents include a device and method for evaluating the freshness and degree of maturation of food animals. The freshness evaluation device incorporates a temperature parameter calculation unit that assesses storage time and temperature within the food animal. It also features a rate constant parameter calculation unit that analyzes the decomposition reactions of ATP-associated compounds. Additionally, the ATP-associated compound concentration calculation unit computes concentrations based on a sequential decomposition reaction model. The evaluation unit then computes K and FI values from these concentrations.
Another significant patent involves a method for estimating the composition of products obtained from the liquefaction of coal. This method utilizes a solid-state carbon nuclear magnetic resonance spectrometer to obtain a resonance spectrum. It includes steps for determining the distribution of various carbon types in the coal's molecular structure and estimating the ingredients of liquefaction products based on this distribution.
Career Highlights
Throughout his career, Hiroshi Nagaishi has worked with esteemed institutions such as Hokkaido University and the Agency of Industrial Science and Technology. His work in these organizations has allowed him to develop and refine his innovative ideas.
Collaborations
Nagaishi has collaborated with notable colleagues, including Yuzo Sanada and Susumu Yokoyama. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Hiroshi Nagaishi's contributions to food freshness evaluation and coal liquefaction demonstrate his innovative spirit and dedication to scientific advancement. His patents reflect a deep understanding of complex processes and a commitment to improving technology in these fields.