Nobuo Igusa

Title: The Innovative Mind of Nobuo Igusa

Introduction

Nobuo Igusa, an accomplished inventor based in Kawasaki, Japan, has made significant contributions to the field of cleaning technologies. With a total of four patents to his name, he has demonstrated a keen understanding of the complexities involved in the cleaning processes, particularly in relation to soldering flux residues.

Latest Patents

Igusa's latest patent revolves around a defluxing agent cleaning method and cleaning apparatus. The innovative cleaning solution developed by Igusa contains an acid, which is preferably an organic acid stronger than abietic acid. Examples of these acids include acrylic acid, acetic acid, propionic acid, and benzoic acid. Additionally, the formulation includes an organic solvent such as xylene, benzyl acetate, methyl alpha-hydroxyisobutyrate, cyclohexanone, and methyl beta-methoxyisobutyrate. If necessary, the cleaning agent may also comprise a monohydric alcohol, a surfactant, and a corrosion inhibitor. An important aspect of this invention is the rinsing process, which is performed using a solvent that is miscible with the defluxing agent to ensure complete removal of the acid. Furthermore, a versatile cleaning apparatus designed for this method and other applications has also been disclosed.

Career Highlights

Nobuo Igusa’s dedication to innovation is clearly reflected in his role at Fujitsu Corporation, where he continues to push the boundaries of cleaning technology. His knowledge and experience have allowed him to develop solutions that have practical applications within the industry, enhancing cleaning efficiency and effectiveness.

Collaborations

Throughout his career, Igusa has worked alongside talented colleagues, including Keiji Watanabe and Masayuki Ochiai. This collaborative spirit has played a crucial role in fostering innovations that meet the evolving demands of the technological landscape.

Conclusion

With four patents and ongoing contributions to cleaning technology, Nobuo Igusa exemplifies the spirit of innovation as he addresses practical challenges in the industry. As he continues his work at Fujitsu Corporation, his legacy in the realm of inventions and cleaning solutions is set to expand further.