Norihiko Sumitani

Title: **Norihiko Sumitani: Innovating in Solid-State Imaging Devices**

Introduction

Norihiko Sumitani is a distinguished inventor based in Osaka, Japan, recognized for his significant contributions to the field of solid-state imaging technology. With a remarkable portfolio of 22 patents, Sumitani continues to lead advancements in imaging devices.

Latest Patents

His latest innovations include:

1. **Solid-state imaging device**: This invention features a latch circuit that retains a digital signal of pixel data, with the capability to output that signal through a driver circuit to a read bit line pair. Additionally, it comprises a sense amplifier connected to the read bit line pair and a selector circuit that determines whether the output from the sense amplifier is presented in normal or inverted form.

2. **Solid-state imaging device and imaging system**: This advanced imaging device incorporates a first converter that translates an analog signal representing pixel values into the upper bit of a digital signal. It also includes a second converter which converts the analog signal into the lower bit. The second converter is equipped with a first latch circuit that captures various clock signals during the conversion and a conversion circuit that generates the lower bit by translating phase information into a binary value. A second latch circuit holds the addition result from an adder that combines the binary value with the value latched previously.

Career Highlights

Throughout his career, Norihiko Sumitani has worked with notable companies such as Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His time at these organizations has allowed him to develop groundbreaking imaging technologies that enhance video and photographic capabilities.

Collaborations

In his journey of innovation, Sumitani has partnered with talented colleagues, including Hidenari Kanehara and Kazuki Tsujimura. Their collaborative efforts have fueled advancements in the imaging sector, leading to the successful development of state-of-the-art devices.

Conclusion

Norihiko Sumitani stands out as a prominent inventor in the field of imaging technology. With his innovative patents and collaborative spirit, he continues to make strides in developing sophisticated solid-state imaging devices that have the potential to revolutionize the way we capture and process images.