Location History:
- Tokyo, JP (1999 - 2005)
- Kanagawa, JP (2005 - 2024)
Company Filing History:
9 out of 2,467 
9 out of 35,734 
8 out of 2,895 
Years Active: 1999-2025
Title: **Naohiko Kimizuka: Innovator in Charge Detection and Imaging Technologies**
Introduction
Naohiko Kimizuka, based in Kanagawa, Japan, is a notable inventor with an impressive portfolio of 24 patents. His contributions to technology, particularly in charge detection and imaging systems, underline his role in advancing semiconductor technologies.
Latest Patents
Among his recent innovations are two significant patents focusing on enhancing electronic devices. The first is a **Charge Detection Sensor and Potential Measurement System**, designed to minimize noise and enhance sensitivity by reducing parasitic capacitance. This innovation features a detection element on one side of a semiconductor substrate, which captures charge, while a detection electrode resides on a separate side. A contact traverses the substrate, linking the detection elements electrically, thereby eliminating the need for a wiring layer and decreasing parasitic capacitance.
The second patent is a **Solid-State Imaging Device**. This device consists of a first semiconductor layer that integrates a photoelectric converter and an electric charge accumulation section for each pixel, where signal electric charges are stored. It also includes a pixel separation section to differentiate multiple pixels and a second semiconductor layer housing a pixel transistor that reads these charges. A shared coupling section bridges the two semiconductor layers, enhancing the device's functionality.
Career Highlights
Naohiko Kimizuka has amassed considerable experience working with esteemed organizations, including NEC Electronics Corporation and NEC Corporation. His roles in these companies have allowed him to pioneer technologies that contribute significantly to the field of electronics.
Collaborations
Throughout his career, Kimizuka has collaborated with various professionals, notably Kiyotaka Imai and Yuri Masuoka. These partnerships have fostered an environment of innovation, allowing for the integration of diverse ideas and expertise in his projects.
Conclusion
Naohiko Kimizuka’s dedication to innovation in charge detection and solid-state imaging systems exemplifies the impact of inventive minds in the technology sector. With a strong foundation of patents and a successful career at prominent companies, he continues to influence the advancements in semiconductor technologies that shape our future.