This inventor holds 4 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Japan Atomic Energy Institute. Active years: 1981-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Amagasaki, JP (1981 - 1987)
- Tokyo, JP (2000)
Company Filing History:
4 out of 21,351 
2 out of 322 
Years Active: 1981-2000
Title: The Innovative Contributions of Shinji Fukakusa
Introduction
Shinji Fukakusa is a notable inventor based in Amagasaki, Japan. He has made significant contributions to the field of ionization chambers, particularly in the context of gamma-ray and neutron detection. With a total of four patents to his name, Fukakusa's work has advanced the technology used in radiation measurement.
Latest Patents
Fukakusa's latest patents include the "Gamma-ray compensated neutron ionization chamber." This invention aims to eliminate deterioration in the saturation characteristics of gamma-rays by ensuring that the total area of holes formed in a signal electrode, arranged within a high-voltage electrode concentrically, is set to a value equal to or smaller than 5% of the surface area of the signal electrode. Another significant patent is the "Gamma ray compensation-type neutron ionization chamber." This device comprises a neutron-sensing ionization chamber portion with an electrode surface coated with a material for sensing neutrons, and a gamma ray-sensing ionization chamber portion that has a low neutron sensitivity compared to the neutron sensitivity of the neutron-sensing material. It also includes a device for subtracting ionization currents in the gamma ray-sensing ionization chamber portion from those in the neutron-sensing ionization chamber portion.
Career Highlights
Throughout his career, Fukakusa has worked with prominent organizations such as Mitsubishi Electric Corporation and the Japan Atomic Energy Research Institute. His experience in these institutions has allowed him to develop and refine his innovative ideas in radiation detection technology.
Collaborations
Fukakusa has collaborated with notable colleagues, including Toshimasa Tomoda and Naoaki Wakayama. Their combined expertise has contributed to the advancement of their respective fields.
Conclusion
Shinji Fukakusa's contributions to the field of ionization chambers demonstrate his innovative spirit and dedication to advancing technology in radiation measurement. His patents reflect a commitment to improving the accuracy and reliability of neutron and gamma-ray detection.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile