Takeshi Oowada

Title: Innovations by Takeshi Oowada: Pioneering Patent Holder in Image Formation Technology

Introduction

Takeshi Oowada, an accomplished inventor based in Joetsu, Japan, has made significant contributions to the field of electrophotographic technology. With a total of five patents to his name, Oowada has developed inventive methods that enhance image forming processes, showcasing his expertise and innovation.

Latest Patents

Among his most recent patents, Oowada has created a "Method of image forming with a photoreceptor and toner." This innovative method incorporates an electrophotographic photoreceptor and toner that includes a photosensitive layer comprised of a metal oxide particle undercoat, a charge generation layer made from hydroxygallium phthalocyanine, and a charge transport layer. The toner used in this method features matrix particles formed in an aqueous medium, exhibiting a volume median diameter (Dv50) ranging from 4.0 μm to 7.0 μm. He has established a sophisticated relationship between Dv50 and the number percentage (Dns) of toner particles with diameters between 2.00 μm to 3.56 μm, ensuring precision in image quality.

His patent titled "Image forming apparatus" further refines the process by establishing criteria for the photosensitive layer's resin composition while maintaining the same technical parameters as in his previous patent. The advancements represent a substantial leap forward in the efficiency and quality of image forming technologies.

Career Highlights

Takeshi Oowada is currently a key inventor at Mitsubishi Chemical Corporation, where he oversees various projects and develops innovative technologies. His work primarily focuses on enhancing the functionality and quality of imaging devices, reflecting his commitment to advancing the field.

Collaborations

Throughout his career, Oowada has collaborated with fellow inventors Teruyuki Mitsumori and Kozo Ishio, leveraging their expertise and knowledge to push the boundaries of what is possible in electrophotographic technology. Together, they have contributed to numerous advancements that benefit the imaging and printing industries.

Conclusion

With a robust portfolio of patents and a focus on innovative methodologies, Takeshi Oowada exemplifies the spirit of invention in the modern technological landscape. His contributions at Mitsubishi Chemical Corporation and his collaborations with peers continue to pave the way for advancements in image formation technology, solidifying his position as a leading inventor in his field.