Ryunosuke Ishii

Title: Innovations of Ryunosuke Ishii

Introduction

Ryunosuke Ishii is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of photoelectric conversion technology. With a total of four patents to his name, Ishii continues to push the boundaries of innovation in his industry.

Latest Patents

One of his latest patents is a photoelectric conversion apparatus that features semiconductor substrates and protection circuits. This apparatus includes a pad, a first protection circuit on a first semiconductor substrate, and a second protection circuit on a second semiconductor substrate. The first substrate contains multiple photoelectric conversion units that generate signal charge upon receiving incident light. The second substrate includes a signal processing circuit that processes the input signal based on the generated signal charge. The design allows for efficient power supply voltage input through the pad, with protection circuits strategically placed to enhance functionality.

Another notable patent is a photoelectric conversion device that consists of multiple substrates in a stacked configuration. This device includes a memory cell unit with row-selection and column-selection lines, which are essential for driving the memory cell array. The memory peripheral circuit unit is designed to connect these selection lines, ensuring effective operation. A portion of the memory peripheral circuit is formed on the first substrate, while the memory cell unit is located on the second substrate, showcasing a sophisticated integration of components.

Career Highlights

Ryunosuke Ishii is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to develop cutting-edge technologies that enhance the performance of photoelectric devices. His innovative spirit and technical expertise have made him a valuable asset to the company.

Collaborations

Ishii has collaborated with notable colleagues such as Akira Oseto and Tatsunori Kato. Their combined efforts have contributed to the advancement of technology in their field, fostering a collaborative environment that encourages innovation.

Conclusion

Ryunosuke Ishii's contributions to the field of photoelectric conversion technology are noteworthy. His patents reflect a deep understanding of semiconductor technology and its applications. As he continues to innovate at Canon, his work will likely have a lasting impact on the industry.