This inventor holds 2 USPTO granted patents. Top assignees: Nippon Steel Chemical Co., Ltd., Osaka Yuka Industries Co., Ltd.. Active years: 2005-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 173 
1 out of 1 Years Active: 2005-2011
Title: Kazuo Ishii: Innovator in Organic EL Devices and Sublimation Refining
Introduction
Kazuo Ishii is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of organic electronics and sublimation refining. With a total of 2 patents, his work has advanced the technology used in luminous materials and purification processes.
Latest Patents
Kazuo Ishii's latest patents include a process for producing ortho-metalated complexes of iridium with homoligands. This process allows for the creation of a 1:3 complex of iridium that is useful as a luminous material for organic EL devices. The method is designed to achieve high yield and purity in a short time through a simple procedure. An example of the complex produced is tris(2-phenylpyridine)iridium(III), which is synthesized by reacting iridium(III) acetylacetonate with 2-phenylpyridine in the presence of an acidic substance.
Another significant patent is related to a sublimation purifying method and apparatus. This invention focuses on sublimation refining that yields high-purity products while preventing corrosion of the apparatus and contamination of the product. The apparatus includes a heat-generating unit made from materials that generate heat through electromagnetic induction, along with independently controllable sublimating and collecting units.
Career Highlights
Kazuo Ishii has worked with prominent companies such as Nippon Steel Chemical Co., Ltd. and Osaka Yuka Industries Co., Ltd. His experience in these organizations has contributed to his expertise in the development of innovative technologies.
Collaborations
Throughout his career, Kazuo Ishii has collaborated with notable coworkers, including Shuhei Hotta and Mahito Soeda. These partnerships have likely enhanced his research and development efforts.
Conclusion
Kazuo Ishii's contributions to the fields of organic electronics and sublimation refining demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology for practical applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile