Location History:
- Sagamihara, JP (1996)
- Atsugi, JP (1996)
- Yokohama, JP (1996 - 1998)
Company Filing History:
Years Active: 1996-1998
Title: Takehiko Ooi: Innovator in Electrophotography and Photosensitive Materials
Introduction
Takehiko Ooi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electrophotography and photosensitive materials. With a total of 5 patents to his name, Ooi continues to push the boundaries of innovation in his industry.
Latest Patents
Ooi's latest patents include a light-transmitting recording material for electrophotography and a dry process silver salt photosensitive material. The light-transmitting recording material features a light-transmitting base material, a conductive undercoat layer, and a light-transmitting toner acceptable layer. The conductive undercoat layer is designed to have a surface resistivity ranging from 1×107 Ω to 1×1010 Ω at 20°C and 60% relative humidity. This layer contains a metallic conductive or semiconductive material, while the toner acceptable layer includes a wax as a releasing agent and a thermoplastic resin. Additionally, Ooi has developed a heat fixing method for forming and fixing toner images on this innovative recording material. His dry process silver salt photosensitive material consists of a support and a photosensitive layer that contains a photosensitive silver halide or forming component, an organic silver salt, and a pyrrole compound. This material is notable for its broad latitude for heat development and ability to produce high-contrast images.
Career Highlights
Takehiko Ooi is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to focus on developing advanced materials that enhance the quality and efficiency of imaging processes.
Collaborations
Ooi has collaborated with notable colleagues such as Tetsuro Fukui and Kenji Kagami. Their combined expertise has contributed to the successful development of innovative technologies in their field.
Conclusion
Takehiko Ooi's contributions to electrophotography and photosensitive materials highlight his role as a key innovator in the industry. His patents reflect a commitment to advancing technology and improving imaging processes.