Koji Hara

Title: The Innovations of Koji Hara

Introduction

Koji Hara is a prominent inventor based in Ichikawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 10 patents. His work focuses on enhancing photoelectric conversion apparatuses and semiconductor devices.

Latest Patents

One of Hara's 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 semiconductor substrate contains multiple photoelectric conversion units that generate signal charge from incident light. The second semiconductor substrate includes at least one signal processing circuit that processes the input signal based on the generated signal charge. The design allows for efficient power supply input and protection circuit integration.

Another notable patent is a semiconductor apparatus that consists of a first substrate and a first wiring structure, along with a second substrate and a second wiring structure. The first wiring structure features a first wiring layer bonded to the second wiring structure's wiring, with additional layers connected through vias. This innovative design utilizes copper as a major constituent and incorporates a layer made from a different material between the vias, enhancing the overall functionality of the semiconductor device.

Career Highlights

Koji Hara is currently employed at Canon Kabushiki Kaisha, where he continues to develop cutting-edge technologies in the semiconductor field. His work has been instrumental in advancing the capabilities of photoelectric conversion systems and semiconductor apparatuses.

Collaborations

Hara has collaborated with notable coworkers, including Nobutaka Ukigaya and Yukinobu Suzuki. Their combined expertise has contributed to the successful development of innovative technologies within their organization.

Conclusion

Koji Hara's contributions to semiconductor technology and photoelectric conversion apparatuses have established him as a leading inventor in his field. His patents reflect a commitment to innovation and excellence, paving the way for future advancements in technology.