Location History:
- Ibaraki, JP (1997)
- Ibaragi, JP (1999)
- Yokohama, JP (2000)
- Tsukuba, JP (2003)
- Toyonaka, JP (2007)
- Osaka, JP (1998 - 2008)
Company Filing History:
9 out of 1,858 
1 out of 1,179 
Years Active: 1997-2008
Title: Ryuichi Tozawa: Innovator in Genetic Research
Introduction
Ryuichi Tozawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of genetic research, particularly in the development of non-human animal models for studying diseases related to gene deficiencies. With a total of 10 patents, Tozawa's work has paved the way for advancements in therapeutic drug screening and disease modeling.
Latest Patents
Tozawa's latest patents include groundbreaking inventions such as "Animal with gene hypoexpression." This invention relates to non-human animal embryonic stem cells where a specific endogenous gene is inactivated. The resulting non-human animals deficient in the expression of the LLPL gene serve as valuable models for diseases caused by insufficient biological activities of LLPL. These animals are instrumental in screening for prophylactics and therapeutic drugs for various diseases linked to LLPL deficiency.
Another notable patent is "Isolated human protein having esterase activity and DNA encoding the same." This invention introduces novel esterase proteins and outlines methods for their production and application. The patent details the screening of compounds that promote the esterase activity of these proteins, which could lead to new pharmaceuticals.
Career Highlights
Throughout his career, Ryuichi Tozawa has worked with esteemed organizations such as Takeda Chemical Industries, Inc. and Takeda Pharmaceutical Company Limited. His experience in these companies has contributed to his expertise in genetic research and pharmaceutical development.
Collaborations
Tozawa has collaborated with notable colleagues, including Yasuo Sugiyama and Hidefumi Yukimasa. These partnerships have further enhanced his research capabilities and innovation potential.
Conclusion
Ryuichi Tozawa's contributions to genetic research and his innovative patents have significantly impacted the field. His work continues to influence the development of therapeutic strategies for diseases related to gene deficiencies.