Company Filing History:
2 out of 614 
2 out of 499 Years Active: 1987-1994
Title: Yoshiaki Ohtani: Innovator in Polycarbonate Resin Technology
Introduction
Yoshiaki Ohtani is a notable inventor based in Nakama, Japan. He has made significant contributions to the field of materials science, particularly in the development of polycarbonate resin compositions for optical applications. With a total of four patents to his name, Ohtani's work has had a considerable impact on the industry.
Latest Patents
Ohtani's latest patents focus on a polycarbonate resin composition designed for optical use. This invention provides a unique formulation that includes a mixture of polycarbonate resin and at least one type of carboxylic acid. These acids can be either aliphatic carboxylic acids with 1 to 10 carbon atoms, where hydrogen atoms of the aliphatic group may be substituted by hydroxyl groups, or aromatic carboxylic acids with hydrogen atoms of the aromatic ring that may be substituted by low alkyl groups, hydroxyl groups, or halogen atoms. The concentration of the carboxylic acids ranges from 5 to 1000 ppm based on the polycarbonate resin, enhancing the optical properties of the resulting materials.
Career Highlights
Throughout his career, Yoshiaki Ohtani has worked with prominent companies in the chemical industry, including Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His experience in these organizations has allowed him to refine his expertise in polymer science and contribute to innovative solutions in optical materials.
Collaborations
Ohtani has collaborated with esteemed colleagues such as Yoshitomi Urabe and Hironori Hayashida. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Yoshiaki Ohtani's contributions to the field of polycarbonate resin technology exemplify the importance of innovation in materials science. His patents and collaborations reflect a commitment to advancing optical applications, making him a significant figure in his industry.