This inventor holds 11 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Chugai Seiyaku Kabushiki Kaisha, Denki Kagaku Kogyo Kabushiki Kaisha. Active years: 1997-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shizuoka, JP (1997)
- Shizuoka-ken, JP (1997 - 1999)
- Shizouka, JP (2002)
- Gotenba, JP (2004 - 2012)
Company Filing History:
9 out of 991 
2 out of 475 Years Active: 1997-2025
Title: Discovering the Innovations of Takenori Ishizawa
Introduction
Takenori Ishizawa is a prominent inventor based in Gotenba, Japan, who has successfully acquired a remarkable number of 10 patents. His work is primarily focused on developing therapeutic solutions for joint diseases, showcasing his commitment to improving healthcare through innovative inventions.
Latest Patents
Among his latest advancements, Ishizawa has created a notable hyaluronic acid-methotrexate conjugate. This invention is aimed at serving as a therapeutic drug for joint diseases. The conjugate is designed by linking methotrexate with a carboxyl group of hyaluronic acid through a peptide chain linker, which consists of 1 to 8 amino acids. Additionally, he has developed another hyaluronic acid-methotrexate conjugate for treating joint disorders, where methotrexate is conjugated with a hydroxy group of hyaluronic acid using a linker that is bonded through a carbamate group. These innovations reflect his dedication to addressing significant medical challenges.
Career Highlights
Throughout his career, Takenori Ishizawa has contributed to major pharmaceutical companies, notably Chugai Pharmaceutical Co., Ltd. and Denki Kagaku Kogyo Co., Ltd. His extensive experience in these companies has undoubtedly enriched his expertise in the field of medicinal inventions.
Collaborations
Ishizawa has also collaborated with notable coworkers, including Haruhiko Sato and Hiroshi Koga. These partnerships have facilitated the exchange of ideas and fostered an environment that encourages innovative thinking.
Conclusion
Takenori Ishizawa’s achievements in the realm of patents and therapeutic solutions epitomize the essence of innovation. His latest work on hyaluronic acid-methotrexate conjugates establishes him as a leading inventor dedicated to advancing healthcare solutions for joint diseases. His contributions will undoubtedly have a lasting impact on the medical field, inspiring future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile