Location History:
- Hitachi, JP (1987 - 1996)
- Kokubunji, JP (2015 - 2020)
- Tokyo, JP (2016 - 2020)
Company Filing History:
13 out of 1,641 
11 out of 42,485 
Years Active: 1987-2020
Title: Koji Fujisaki: Innovator in Charged Particle Beam Technology
Introduction: Koji Fujisaki is a prominent inventor based in Kokubunji, Japan, known for his significant contributions to technology, particularly in the field of charged particle beam devices. With an impressive portfolio of 19 patents, he has made notable advancements that enhance the precision and efficiency of micro-observations in material sciences.
Latest Patents: Fujisaki's latest inventions include a method for sensor characteristic evaluation and a sophisticated charged particle beam device. The sensor characteristic evaluation method involves the removal of redeposited material to enable electrical observation of microelements without introducing foreign contaminants or metal impurities. His charged particle beam device features an FIB barrel that emits a focused ion beam, a stage to hold the substrate, a microcurrent measuring unit to detect leakage current, and a timer to coordinate the emission and measurement processes. Additionally, he developed a polishing agent comprising water, abrasive grains of tetravalent metal hydroxides, polyalkylene glycol, and selected cationic polymers to improve substrate polishing methods.
Career Highlights: Throughout his career, Koji Fujisaki has collaborated with leading companies, including Hitachi Chemical Company and Hitachi, Ltd. His work in these esteemed organizations has solidified his reputation as a leader in the innovation of charged particle beam technologies.
Collaborations: Fujisaki has had the opportunity to collaborate with impressive colleagues such as Tomohiro Iwano and Hisataka Minami. Their combined expertise in the realm of technology has undoubtedly influenced the successful development of several patented technologies.
Conclusion: Koji Fujisaki's contributions to the field of charged particle beam technology are invaluable. His array of patents reflects a commitment to innovation and the advancement of scientific understanding, making him a notable figure in the realm of modern inventions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.