Koji Hanihara

Title: **Koji Hanihara: Innovator in Semiconductor Technology**

Introduction

Koji Hanihara, an esteemed inventor located in Isawa-cho, Japan, has made significant contributions to the field of semiconductor technology. With a total of four patents to his name, he has focused on inventions that enhance the performance and reliability of semiconductor devices. His work not only exemplifies innovation but also addresses critical issues such as light interference in semiconductor operations.

Latest Patents

Koji Hanihara's latest patents demonstrate his technical acumen and innovative thinking. One of his notable inventions is a semiconductor device that prevents light from entering its substrate transistor. This invention integrates an uppermost metal wiring layer composed of titanium (Ti) and titanium nitride (TiN), topped with tungsten (W) to fill a via hole. The design ensures that light does not reach the substrate transistor, thereby preventing malfunctions within semiconductor devices.

Another significant patent details a multiple metallization structure for reflection-type liquid crystals. This invention features a thin interconnection layer made of TiN/Ti, which boasts strong erosion resistance. The technology involves a flat uppermost interlayer insulating film with a protection film made of p-SiN. The resulting thin insulating film has a mirror-like flat surface, enhancing the performance of Si chip-based liquid crystals.

Career Highlights

Throughout his career, Koji Hanihara has been associated with reputable companies that have furthered his innovative pursuits. He worked at Pioneer Video Corporation, where he contributed to advancements in video technology. Additionally, his tenure at Kawasaki Steel Corporation allowed him to apply his expertise in material sciences, which undoubtedly influenced his semiconductor innovations.

Collaborations

Koji Hanihara's work has been enriched by collaborations with talented individuals in the industry. Notable coworkers include Itaru Tsuchiya and Makoto Mizuno, who have contributed to the shared goal of pioneering advancements in semiconductor technology. Their teamwork has fostered an environment of innovation, leading to significant technological advancements.

Conclusion

Koji Hanihara’s contributions to the semiconductor industry highlight his innovative spirit and dedication to solving complex technical challenges. With four patents that reflect his expertise and commitment to excellence, he continues to influence the landscape of semiconductor technology. His work not only impacts device performance but also sets the stage for future advancements in this critical field.