Shuzo Iwanaga

Title: **Shuzo Iwanaga: Innovating Liquid Discharge Technologies**

Introduction

Shuzo Iwanaga, a prolific inventor based in Kawasaki, Japan, holds an impressive portfolio of 82 patents. His work primarily focuses on innovative technologies related to liquid discharge heads, which play a crucial role in various printing and liquid dispensing applications.

Latest Patents

Iwanaga's latest patents showcase advanced designs for liquid discharge heads and methods associated with their operation. One notable patent describes a liquid discharge head that features a substrate housing a recording element and a discharge orifice forming member. This design includes a pressure chamber, a first liquid channel for supply, and a second liquid channel for recovery, ensuring effective liquid management. The patent also specifies the optimal pressure conditions within the supply and recovery channels, promoting efficient liquid flow at velocities ranging from 3 to 140 mm/s.

Another innovative patent from Iwanaga outlines a liquid discharge head encompassing a liquid discharge substrate that includes a discharge-orifice row, pressure-generating elements, and pressure chambers. This design enables block-by-block liquid discharge via sequential driving, improving precision in liquid application. The strategic arrangement of discharge orifices, with a specific inclination angle, further enhances the efficacy of the liquid discharge process.

Career Highlights

As a key figure at Canon Kabushiki Kaisha, Iwanaga has contributed significantly to the company's advancements in printing technology. His expertise and creative problem-solving skills have led to developments that not only enhance product performance but also foster innovation within the industry.

Collaborations

Throughout his career, Iwanaga has collaborated with notable colleagues, including Takatsugu Moriya and Kazuhiro Yamada. These collaborations have allowed for the exchange of ideas and expertise, resulting in more refined inventions and a collective pursuit of technological excellence in liquid discharge systems.

Conclusion

Shuzo Iwanaga's contributions to the field of liquid discharge mechanisms underscore the importance of innovation in modern technology. With his extensive patent portfolio and impactful collaborations, Iwanaga continues to play a vital role in pushing the boundaries of what's possible in liquid dispensing technologies, solidifying his position as a leading inventor in the industry.