Introduction: Atsushi Kakuta, a prominent inventor based in Hitachiota, Japan, has made significant contributions to the fields of ink composition and recording technology. With an impressive portfolio of 25 patents, Kakuta's innovative spirit has driven advancements in inkjet printing and solid ink technologies.

Latest Patents: Among Kakuta's latest patents are two noteworthy innovations:

1. **Ink Composition for Inkjet Recording:** This invention provides an ink composition suitable for on-demand inkjet printers that can print on plain paper at a speed of 10 inches per second or higher. The composition includes at least a pigment and non-pigment components such as water and a thickening agent. It exhibits a weight loss ratio of 5 to 25% at 25°C and 60 RH% after 30 minutes, based on the total weight of the ink.

2. **Solid Ink Printing Master Plate and Method for Preparing the Same:** This patent details a method for constructing a solid ink printing master plate by liquefying an ink composition that remains solid at room temperature. By applying heat and jet energy, ink droplets are jetted onto a substrate, achieving a controlled adhesion strength of 25 g/mm or more, thus enhancing printing precision and quality.

Career Highlights: Atsushi Kakuta has had a remarkable career, contributing to notable companies such as Hitachi, Ltd. and Hitachi Koki Co., Ltd. His work in these organizations has focused on developing advanced ink technologies that cater to modern printing demands.

Collaborations: Throughout his career, Kakuta has collaborated with esteemed colleagues, including Yasuki Mori and Hirosada Morishita. These partnerships have fostered a creative environment that has led to groundbreaking innovations in ink technologies.

Conclusion: Atsushi Kakuta stands out as a pioneering inventor in the field of ink compositions and printing methods. His 25 patents reflect a commitment to innovation and excellence, providing valuable contributions that enhance the efficiency and quality of inkjet printing technologies. As printing continues to evolve, Kakuta’s inventions will undoubtedly leave a lasting impact on the industry.

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