Introduction: Itsuo Okumoto, an accomplished inventor based in Sakai-gun, Japan, has made significant contributions to the field of chemistry through his innovative processes. With a total of four patents to his name, Okumoto has demonstrated a strong commitment to advancing chemical production techniques that hold industrial relevance.

Latest Patents: Okumoto's most recent patents showcase his expertise in producing various chemical compounds. One of his pivotal inventions is the "Process for producing chromone compound," which details a method for generating a dicarboxylic acid compound characterized by specific structural formulas. This innovative process involves reacting a defined compound with nitrophenol in the presence of a base, showcasing a method for creating complex chemical structures. Additionally, his patent titled "Process for producing 1-chloro-4-arylbutane" presents an industrially viable technique for producing this compound by reacting 1-bromo-3-chloropropane with another specified compound in a solvent, highlighting his focus on practical applications in the chemical industry.

Career Highlights: Throughout his career, Itsuo Okumoto has been associated with prominent companies in the pharmaceutical and chemical sectors, including Ono Pharmaceutical Co., Ltd. and Sumitomo Chemical Company, Limited. His background in these esteemed organizations has provided him with the experience necessary to develop his innovative patent methodologies.

Collaborations: Okumoto has collaborated with talented individuals such as Tsuyoshi Watanabe and Masashi Shiota, contributing to a rich environment of innovation and teamwork. Together, they have worked on projects that support the advancement of chemical processes and the development of new compounds.

Conclusion: Itsuo Okumoto's inventive prowess within the realm of chemistry is evident through his various patents and successful collaborations. As he continues to explore new methodologies for producing valuable chemical compounds, his contributions to innovation and science are sure to have a lasting impact on the industry.

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