Location History:
- Yao, JA (1976)
- Yao, JP (1979 - 1981)
Company Filing History:
Years Active: 1976-1981
Title: Kaoru Ishitobi: Innovator in Diagnostic Compositions
Introduction
Kaoru Ishitobi is a notable inventor based in Yao, Japan. He has made significant contributions to the field of diagnostic compositions, holding a total of 3 patents. His work focuses on developing methods and instruments that enhance the analysis of various substances in body fluids.
Latest Patents
Ishitobi's latest patents include a method, composition, and test strip for colorimetric analysis of ascorbic acid. This system is composed of a complex of a chelating agent with a polyvalent metal ion in its higher valency, an indicator that reacts with the metal ion in its lower valency, and a buffering agent. This composition and test strip are useful for analyzing ascorbic acid present in body fluids. Another significant patent involves diagnostic compositions and diagnosing instruments. This diagnostic composition contains a chromogen, a diamino-biphenyl derivative, where at least one hydrogen atom in the amino groups is replaced by a lower alkyl group. The diagnosing instrument is prepared by impregnating a bibulous, porous support in a solution comprising the diagnostic composition and optionally includes various enzymes and agents. This instrument is designed for the semi-quantitative identification of saccharides in body fluids or excrements of humans or animals.
Career Highlights
Kaoru Ishitobi is currently associated with Shionogi & Company Limited, where he continues to innovate in the field of diagnostics. His work has been instrumental in developing reliable methods for analyzing important biochemical substances.
Collaborations
Ishitobi has collaborated with notable coworkers, including Hideyuki Maekawa and Yasunao Ogawa. Their combined expertise has contributed to the advancement of diagnostic technologies.
Conclusion
Kaoru Ishitobi's contributions to the field of diagnostic compositions and instruments highlight his innovative spirit and dedication to improving health diagnostics. His patents reflect a commitment to enhancing the reliability and convenience of biochemical analysis.