Hisanori Ohkita

Title: **The Innovative Mind of Hisanori Ohkita**

Introduction

Hisanori Ohkita, an accomplished inventor based in Chiba, Japan, has made significant contributions to the field of materials science through his innovative patents. With a total of two patents to his name, his work showcases a keen focus on photocurable compositions and methods for producing intricate concave-convex structures.

Latest Patents

Ohkita's most recent patents include a groundbreaking photocurable composition designed for forming resin layers in concave-convex structures. This composition is notable for its ability to create fine concavities and convexities on a substrate, resulting in unique surface properties. A key feature of his invention is that the cured film exhibits a surface free energy between 15 mJ/m² and 40 mJ/m², along with hardness values ranging from 0.05 GPa to 0.5 GPa, measured using advanced techniques such as nanoindentation. Additionally, he has developed a method for producing substrates with fine uneven patterns, which involves preparing a laminate with a resin layer that serves as a mask for etching the substrate, effectively achieving precise pattern replication.

Career Highlights

Ohkita currently works at Mitsui Chemicals, Inc., a leading company in the field of chemical products and materials. His innovative approaches and dedication to developing new technologies highlight his important role in advancing the capabilities of materials science. His contributions are not only beneficial to his company but also have broader implications for various applications within the industry.

Collaborations

Throughout his career, Hisanori Ohkita has collaborated with distinguished colleagues, including Takashi Oda and Yasuhisa Kayaba. These collaborations have undoubtedly fostered an environment of creativity and innovation, allowing for the exchange of ideas and expertise that enhance the quality and impact of their collective work.

Conclusion

Hisanori Ohkita stands as a testament to the power of innovation in the field of materials science. His advancements in photocurable compositions and methods for creating fine patterns contribute to a better understanding of material properties and their applications. His work exemplifies how dedicated inventors can drive technological progress in fascinating and impactful ways.