Tadafumi Nagata

Title: Tadafumi Nagata: Innovator in Solid State Image Sensors

Introduction

Tadafumi Nagata is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of imaging technology, particularly in the development of solid state image sensors. With a total of 2 patents to his name, Nagata's work has had a considerable impact on electronic apparatuses used in imaging devices.

Latest Patents

Nagata's latest patents include innovations in solid state image sensors and electronic apparatuses. One of his notable inventions is a solid state image sensor capable of performing a gain transition at high speed. This technology features a ramp generation circuit that includes sample hold circuits and ramp generation DACs, which are essential for achieving different gain levels. This advancement allows for a swift switch to the ramp generation DAC that holds the required gain voltage, making it particularly useful in CMOS solid state image sensors used in various imaging devices.

Another significant patent involves a signal processing circuit that generates a reference signal with a ramp waveform. This circuit adjusts the offset of the reference signal by modifying the current at the start of the signal generation. The processing unit within this circuit includes multiple sections that handle the reference signal and the supplied analog signal, enhancing the overall performance of imaging systems.

Career Highlights

Tadafumi Nagata is currently employed at Sony Corporation, where he continues to innovate in the field of imaging technology. His work has been instrumental in advancing the capabilities of electronic devices, particularly in the realm of photography and videography.

Collaborations

Nagata has collaborated with notable colleagues such as Yasuaki Hisamatsu and Kenichi Takamiya. Their combined expertise has contributed to the successful development of cutting-edge technologies in the imaging sector.

Conclusion

Tadafumi Nagata's contributions to solid state image sensors and electronic apparatuses highlight his role as a key innovator in the field. His patents reflect a commitment to advancing imaging technology, making significant strides that benefit various applications in the industry.