Location History:
- Osaka, JP (1993 - 2009)
- Kadoma, JP (2010)
- Amagasaki, JP (1996 - 2013)
- Hyogo, JP (2015)
Company Filing History:
9 out of 1,623 
3 out of 1,281 
3 out of 16,453 
Years Active: 1993-2015
Title: Innovations of Koichi Takahama
Introduction
Koichi Takahama is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of photocatalysis, particularly in developing materials that respond to visible light. With a total of 14 patents to his name, Takahama's work focuses on enhancing allergen inactivation properties through innovative coating materials.
Latest Patents
Takahama's latest patents include a visible light-responsive photocatalyst coating material and a method for allergen inactivation. The objective of his invention is to provide a coating film that exhibits superior allergen inactivation properties when exposed to visible light. This coating material comprises a photocatalyst made of metal oxide particles with divalent copper salt supported on their surface. The metal oxide particles possess optical semiconductor characteristics, with a valence band potential of 3 V or more. The binder component includes siloxane bonds, and the presence of chloride ionic compounds enhances the photocatalytic activity. When irradiated with visible light, the coating material demonstrates significant allergen inactivation capabilities while preventing separation from the coating film.
Another notable patent involves a method of decomposing organic substances using a metal ion-doped titanium oxide. This titanium oxide is doped with metal ions to achieve a valence band potential of 3 V or more and a bandgap of 3 V or less. The divalent copper salt or trivalent iron salt acts as a catalyst for the multi-electron reduction of oxygen, enabling strong oxidative decomposition activity under visible light.
Career Highlights
Throughout his career, Koichi Takahama has worked with notable organizations, including Matsushita Electric Works, Ltd. and The University of Tokyo. His experience in these institutions has allowed him to advance his research and contribute to the field of photocatalysis significantly.
Collaborations
Takahama has collaborated with esteemed colleagues such as Masaru Yokoyama and Takeyuki Yamaki. These partnerships have fostered innovation and the development of groundbreaking technologies in photocatalytic materials.
Conclusion
Koichi Takahama's contributions to the field of photocatalysis are noteworthy, particularly his advancements in visible light-responsive materials. His innovative patents and collaborations have positioned him as a leading figure in this area of research.
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.