Location History:
- Hamamatsu, JP (2012)
- Shizuoka, JP (2014 - 2015)
Company Filing History:
3 out of 28,544 
3 out of 181 
1 out of 28 
Years Active: 2012-2015
Title: Idzumi Okajima: Innovator in Electrophotography
Introduction
Idzumi Okajima is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of electrophotography, holding a total of 4 patents. His innovative methods have advanced the technology used in this area, showcasing his expertise and dedication to research and development.
Latest Patents
Okajima's latest patents include a method for regenerating carrier core material for electrophotography and a method for manufacturing carriers for electrophotography. One of his key inventions involves treating a carrier for electrophotography with an aqueous solution containing an oxidant in a subcritical or supercritical state. This method operates at a temperature of 280°C or greater and a density of 0.20 g/cm³ or greater, ensuring effective regeneration of the carrier core material. Additionally, he has developed a method for producing polymer particles, which involves polymerizing and granulating monomers in a compressive fluid with a catalyst.
Career Highlights
Throughout his career, Okajima has worked with prominent organizations such as Ricoh Company, Ltd. and Shizuoka University. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking advancements in electrophotography.
Collaborations
Some of his notable coworkers include Takeshi Sako and Chiaki Tanaka. Their collaborative efforts have further enhanced the research and development in the field.
Conclusion
Idzumi Okajima's contributions to electrophotography through his innovative patents and collaborations highlight his role as a leading inventor in this specialized field. His work continues to influence advancements in technology and 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.