This inventor holds 3 USPTO granted patents. Top assignees: Mitsubishi Chemical Industries Limited, Mitsubishi Kasei Corporation, Research Development Corporation of Japan. Active years: 1984-1997.
Location History:
- Kamiko-machi, Ohmiya-shi, Saitama-ken, JP (1984)
- Omiya-shi, Saitama-ken, JP (1991)
- Kamiko-machi, Omiya-shi, Saitama-ken, JP (1997)
Company Filing History:

Years Active: 1984-1997
Title: Kunio Niijima: Innovator in Prosthetic Materials and Dental Implants
Introduction
Kunio Niijima is a notable inventor based in Saitama, Japan. He has made significant contributions to the fields of prosthetic materials and dental implants. With a total of 3 patents, his work has had a meaningful impact on medical technology.
Latest Patents
One of Niijima's latest patents is an artificial filling and prosthetic material. This innovative material is characterized by a substrate surface coated with a calcium phosphate compound along with a water-insoluble and biodegradable binder polymer. This unique combination allows the material to adhere firmly to tissue for a short duration. Another significant patent is for a dental implant that features a core material and a porous layer. The design includes a non-circular cross-sectional shape for the core material, which prevents it from rotating relative to the porous layer.
Career Highlights
Throughout his career, Kunio Niijima has worked with various companies, including Mitsubishi Kasei Corporation. His expertise in developing advanced materials has positioned him as a key figure in the innovation of medical devices.
Collaborations
Niijima has collaborated with notable individuals in his field, including Sadakatsu Yanagisawa and Sugio Otani. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Kunio Niijima's contributions to prosthetic materials and dental implants highlight his innovative spirit and dedication to improving medical technology. His patents reflect a commitment to enhancing patient care through advanced materials.