Company Filing History:
Years Active: 2014-2021
Title: Shigemi Fujiwara: Innovator in Pyroelectric Infrared Sensor Technology
Introduction
Shigemi Fujiwara is a notable inventor based in Sendai, Japan. He has made significant contributions to the field of infrared sensor technology, holding a total of 4 patents. His work focuses on developing advanced pyroelectric infrared sensor devices that enhance the efficiency and functionality of infrared sensing applications.
Latest Patents
One of Fujiwara's latest patents is a pyroelectric infrared sensor device. This device comprises a pyroelectric infrared sensor part and a cover member. The sensor part includes a pyroelectric element housed within a structure that features an opening facing the light-receiving surface. An infrared transmission filter is positioned to cover this opening, allowing light with a wavelength equal to or greater than 1 μm to pass through. The cover member is designed to protect the sensor part while ensuring that infrared light with wavelengths from 3 μm to 5.5 μm has a transmittance of at least 10%.
Another significant patent is an infrared sensor that includes a circuit board, multiple support portions, a FET element, and a pyroelectric element. The circuit board is equipped with several electrodes on its upper surface. The support portions are designed to connect electrically with the circuit board, while the FET element is strategically placed between the support portions, enhancing the sensor's performance.
Career Highlights
Fujiwara has worked with prominent companies in the technology sector, including NEC Tokin Corporation and Tokin Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the field of infrared sensing technology.
Collaborations
Throughout his career, Fujiwara has collaborated with talented individuals such as Masahiro Saito and Yuji Nitobe. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Shigemi Fujiwara's contributions to the field of pyroelectric infrared sensors demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology that enhances the capabilities of infrared sensing applications.