Tomonobu Ohmura

Title: Tomonobu Ohmura: Innovator in Cast-Coated Paper Technology

Introduction

Tomonobu Ohmura, based in Tokyo, Japan, is a prominent inventor recognized for his significant contributions to the field of paper technology. With a noteworthy tally of five patented inventions, Ohmura has made remarkable advancements, particularly in the area of cast-coated paper and ink jet recording materials.

Latest Patents

Among his latest patents, Ohmura developed innovative substrates for cast-coated paper, which exhibit Cobb water absorbency levels between 30 to 100 g/m and a minimum Oken smoothness of 30 seconds on the side intended for the cast-coated layer. This substrate is crucial for enhancing ink jet recording suitability and improving productivity. Another patent focuses on an ink jet recording material produced through a meticulous method involving the preparation of two different materials. The first material, which features a high surface smoothness support, contains an ink receiving layer comprising a porous inorganic composition alongside a resin component. The second material undergoes transfer with an ink receiving layer coated on at least one side of its substrate. These innovations help create a united ink receiving layer that maintains a total thickness of at least 20 µm and a gloss of at least 60% when measured at a 60-degree incident angle, significantly advancing the capabilities of ink jet recording materials.

Career Highlights

Tomonobu Ohmura works at Nippon Paper Industries Co., Ltd., a leading company in the paper industry. His dedication to research and development has driven the creation of key innovations that benefit both consumers and the industry as a whole. His five patents reflect a commitment to enhancing paper quality and printing technology through creative engineering solutions.

Collaborations

Throughout his career, Ohmura has collaborated with esteemed colleagues, including Yoshihiro Kuroyama and Takashi Ueno. Their combined efforts have furthered advancements in the technologies they focus on, demonstrating the power of teamwork in driving innovation forward.

Conclusion

Tomonobu Ohmura stands out as a vital figure in the field of paper technology and ink jet materials. His patented inventions not only showcase his expertise but also contribute significantly to enhancements in product performance and manufacturing processes. As he continues to innovate, the impact of his work at Nippon Paper Industries Co., Ltd. is poised to influence the industry for years to come.