This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Hitachi High-Tech Corporation, Kokusan Kinzoku Kogyo Kabushiki Kaisha. Active years: 1990-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1,398 
1 out of 33 Years Active: 1990-2025
Title: Yuji Kasai: Innovator in Charged Particle Beam Technology and Coin-Operated Solutions
Introduction
Yuji Kasai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of charged particle beam devices and coin-operated systems. With a total of 2 patents, his work showcases innovative solutions that address specific technological challenges.
Latest Patents
One of Yuji Kasai's latest patents is a charged particle beam device. This device is capable of detecting signal charged particles across a wide range of elevation angles. It distinguishes detection signals between backscattered charged particles and secondary charged particles, regardless of their distribution. The device includes a first detector for secondary or backscattered charged particles and a second detector for tertiary charged particles. It generates an observation image of a sample by processing the detection signals from both detectors.
Another significant invention is a coin-operated locker. This locker is designed to remain closed when not in use and can only be opened after a predetermined amount of coins is deposited. It features a sensor for detecting coin deposits, a detector for the locking and unlocking mechanism, and a plunger that engages with the door. The controller retracts the plunger upon receiving a coin deposit signal and engages it again after a set time in response to an unlock signal.
Career Highlights
Yuji Kasai has worked with prominent companies such as Kokusan Kinzoku Kogyo and Hitachi High-Tech Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Some of his notable coworkers include Kenji Shiojima and Kohei Suzuki. Their collaboration has likely fostered an environment of creativity and innovation in their respective projects.
Conclusion
Yuji Kasai's contributions to technology through his patents reflect his innovative spirit and dedication to solving complex problems. His work continues to influence advancements in charged particle beam technology and coin-operated systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile