Location History:
- Shin-nanyo, JA (1976 - 1977)
- Tokuyama, JP (1981 - 1982)
- Shin-nanyo, JP (1978 - 1984)
Company Filing History:
11 out of 285 
3 out of 191 
2 out of 9 
Years Active: 1976-1984
Title: The Innovative Contributions of Keiichi Kihara
Introduction
Keiichi Kihara, an inventive mind based in Shinnanyo, Japan, has made significant contributions to the field of biochemistry, evidenced by his impressive portfolio of 13 patents. His work primarily focuses on enhancing the understanding and application of peptide derivatives and their derivatives.
Latest Patents
Among Kihara’s latest patents is the "Addition compound of dipeptide derivative and amino acid derivative." This patent details a specific formula wherein R1, R2, and R3 represent various aliphatic and aromatic groups. The process involves the reaction of N-substituted monoaminodicarboxylic acids with amino carboxylic acid esters in an aqueous medium with the presence of a protease. His innovative approach facilitates the production of addition compounds that can easily be decomposed into their constituent dipeptide esters and amino acid esters.
Another notable patent is the "Method for purifying α-L-aspartyl-L-phenylalanine lower alkyl." This method provides a novel technique to selectively and easily remove impurities, ensuring a higher purity of the desired compound. The interaction with Cl-type anion exchange resins in an aqueous medium allows for the effective adsorption of contaminants, making the purification process more efficient.
Career Highlights
Kihara's career has been significantly enhanced by his affiliations with reputable companies such as Toyo Soda Manufacturing Co., Ltd. and the Sagami Chemical Research Center. His tenure at these organizations has allowed him to refine his skills in research and development, leading to innovative breakthroughs in the field.
Collaborations
Throughout his career, Kihara has worked alongside esteemed colleagues such as Yuji Nonaka and Kiyotaka Oyama. Their collaborative efforts have contributed to the advancement of knowledge in peptide chemistry and the practical applications of this research in various industries.
Conclusion
Keiichi Kihara remains a remarkable figure in the field of biochemistry with his extensive patent portfolio and collaborative spirit. His innovations, particularly in the area of peptide derivatives and purification methods, continue to influence research and product development, showcasing his invaluable contribution to the scientific community.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.