Location History:
- Hitach, JP (1994)
- Ibaraki, JP (2004)
- Hitachi, JP (1981 - 2012)
- Tokyo, JP (2003 - 2016)
Company Filing History:
Years Active: 1981-2016
Title: Innovator Akihisa Kaihara: Pioneering Advances in Radiation Measurement
Introduction
Akihisa Kaihara, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of radiation measurement. With a portfolio encompassing eight patents, his innovations stand at the intersection of technology and safety.
Latest Patents
Among his recent advancements, two noteworthy patents highlight his expertise. The first, titled "Dosage rate measurement system and dosage rate measurement method," introduces a measurement unit designed to minimize the drawbacks of optical fiber length attenuation and signal-to-noise degradation in dosage rate monitors utilizing optical fiber. This sophisticated system incorporates several components: a radiation detector for measuring radiation dosage, a light source to irradiate the detector, a photodetector to capture emitted light, and an optical fiber to connect these elements while transmitting light signals. Additionally, it is equipped with a measurement unit to count the photodetector's output pulses and an analysis unit for precise data conversion from luminous energy to dosage and dosage rate.
The second patent, "Environmental radioactivity measurement system of administration and an analysis method of the radioactivity," details a methodology for assessing radioactive elements in workplace environments. This process involves collecting progeny nuclides of radon and thoron in a filter, followed by a gross measurement of alpha-ray emissions. The filter is then sent to an analysis center, where comprehensive evaluations of radiation intensity and specific radioactive nuclide analysis are conducted. The results, including calculated amounts of radon and thoron at specific sampling points, are promptly reported to clients.
Career Highlights
Throughout his career, Akihisa Kaihara has been associated with prominent companies, including Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His work in these organizations has focused on enhancing radiation measurement technologies, making his contributions invaluable in ensuring safety in various applications.
Collaborations
Kaihara has worked alongside esteemed colleagues, including Hiroshi Kitaguchi and Tetsuya Matsui. Their collaborations have fostered innovative solutions in radiation monitoring and have reinforced their commitment to advancing the field through teamwork and shared vision.
Conclusion
Akihisa Kaihara exemplifies the spirit of innovation in the realm of radiation measurement. His patents not only reflect his technical prowess but also his dedication to enhancing safety in environments affected by radiation. As industries continue to evolve, the contributions of inventors like Kaihara remain pivotal in addressing contemporary challenges and fostering a safer future.