Hidetaka Fujimatsu

Title: Hidetaka Fujimatsu: Innovator in Holographic Technology

Introduction

Hidetaka Fujimatsu is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of optical information recording, particularly through his innovative work on volume phase hologram recording materials. With a total of 2 patents, Fujimatsu's inventions are paving the way for advancements in holographic technology.

Latest Patents

Fujimatsu's latest patents include a volume phase hologram recording material and an optical information recording medium utilizing this material. The first patent discloses a volume phase hologram recording material characterized by high sensitivity, high contrast, and excellent multiple recording and record holding properties. This material comprises a polymer matrix, a radically photopolymerizable compound, and a radical photopolymerization initiator. The polymer matrix is formed from a polymer matrix-forming material that contains a specific percentage of an episulfide compound, an epoxy compound, and a curing agent.

The second patent also focuses on a volume phase hologram recording material that boasts high sensitivity, high contrast, and excellent record retention properties. This invention includes a three-dimensional crosslinked polymer matrix, a radically polymerizable monomer, and a photoradical polymerization initiator. The matrix is formed from a compound with two photoradically polymerizable unsaturated groups and two non-photoradically polymerizable hydroxyl groups, along with another matrix-forming compound that lacks photoradically polymerizable groups.

Career Highlights

Fujimatsu is currently employed at Nippon Steel Chemical Co., Ltd., where he continues to innovate in the field of chemical engineering and optical materials. His work has garnered attention for its potential applications in various industries, including telecommunications and data storage.

Collaborations

Fujimatsu has collaborated with notable colleagues such as Takehiro Shimizu and Kazuyoshi Masaki. These partnerships have contributed to the development of cutting-edge technologies in holography and optical information systems.

Conclusion

Hidetaka Fujimatsu is a key figure in the advancement of holographic technology, with his patents reflecting a commitment to innovation and excellence. His contributions are expected to have a lasting impact on the field of optical information recording.