This inventor holds 5 USPTO granted patents. Top assignees: Fuji Electric Co., Ltd., Mitsubishi Jukogyo Kabushiki Kaisha, Okuno Chemical Industries Co., Ltd.. Active years: 1995-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ueno, JP (1995)
- Osaka, JP (2000 - 2004)
Company Filing History:



Years Active: 1995-2004
Title: The Innovative Contributions of Yutaka Nakagishi
Introduction
Yutaka Nakagishi, an accomplished inventor based in Osaka, Japan, has significantly impacted the field of electrophotography with his innovative ideas and patent contributions. With a total of five patents to his name, Nakagishi's inventions focus on enhancing the performance of photosensitive bodies in electrophotographic devices.
Latest Patents
Among his latest patents are the "Substrate for Electrophotography Photosensitive Body," "Electrophotography Photosensitive Body," and "Electrophotography Device - Substrate for Electrophotographic Photoconductor." A notable aspect of his inventions is the substrate designed for an electrophotographic photoconductor that features an anodic oxidation film on its surface. This substrate undergoes a two-step sealing treatment, utilizing nickel fluoride and nickel acetate as sealing agents. The improvements lead to a reduced charge potential difference during operation, resulting in minimal image defects, such as fogging, even in the absence of preliminary charging prior to printing.
Career Highlights
Throughout his career, Yutaka Nakagishi has worked with several prestigious companies, including Mitsubishi Jukogyo Kabushiki Kaisha and Okuno Chemical Industries Co., Ltd. These experiences have enabled him to sharpen his inventive skills and pursue pioneering solutions in the electrophotography sector.
Collaborations
Yutaka Nakagishi has collaborated with talented colleagues such as Masaaki Sakaguchi and Hidetaka Yahagi. Their partnership has fostered a creative environment that has led to the development of innovative technologies in the electrophotographic realm.
Conclusion
Yutaka Nakagishi's contributions to electrophotography demonstrate the power of innovation in enhancing technological performance. His impressive portfolio of patents highlights his commitment to furthering advancements in this field, and his collaborations with esteemed professionals continue to pave the way for future inventions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile