Masahiro Koike

Title: Masahiro Koike: Innovator in Emulsion Ink Technology

Introduction

Masahiro Koike is a notable inventor based in Numazu, Japan. He has made significant contributions to the field of printing technology, particularly through his innovative work on emulsion inks.

Latest Patents

Koike holds a patent for an emulsion ink designed for use in stencil printing. This W/O emulsion ink consists of an oil phase and a water phase, with respective weight ratios of (20 to 40):(80 to 60). The oil phase includes a solvent component that contains both a volatile solvent with an initial boiling point of 150°C to 210°C and a nonvolatile solvent. The ratios of these solvents are (10 to 30):(90 to 70). Additionally, the ink contains a coloring agent, a resin, and a surface-active agent, with the resin amounting to 2 to 8 wt. % of the total weight of the emulsion.

Career Highlights

Masahiro Koike is associated with Ricoh Company, Ltd., where he has been instrumental in advancing printing technologies. His work has not only enhanced the quality of stencil printing but has also contributed to the overall efficiency of the printing process.

Collaborations

Koike has collaborated with notable colleagues, including Fumiaki Arai and Hitoshi Ueda. Their combined expertise has fostered innovation and development within their projects.

Conclusion

Masahiro Koike's contributions to emulsion ink technology exemplify the impact of innovative thinking in the printing industry. His patent reflects a significant advancement that benefits stencil printing applications.