This inventor holds 2 USPTO granted patents. Top assignee: Sanyo Chemical Industries, Ltd.. Active years: 1995-1998.
Company Filing History:
Years Active: 1995-1998
Title: Tohru Ohama: Innovator in Toner Technology
Introduction
Tohru Ohama is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of toner technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of electrophotographic toners.
Latest Patents
Ohama's latest patents include a charge controller and a toner binder composition. The charge controller for a toner contains a polymer of an ethylenically unsaturated monomer. This polymer exhibits a dielectric loss tangent (tan .delta.) at 100 kHz ranging from 0.008 to 0.3, with a water absorbency of at most 10% by weight. Additionally, he has developed a charge controller for an electrophotographic toner, which comprises a graft or block copolymer.
Career Highlights
Tohru Ohama is associated with Sanyo Chemical Industries, Ltd., where he has been instrumental in advancing toner technology. His innovative approaches have contributed to the development of high-performance toners that meet the demands of modern printing technologies.
Collaborations
Ohama has collaborated with notable colleagues, including Hideo Nakanishi and Naoki Takase. Their combined expertise has fostered advancements in the field of electrophotographic materials.
Conclusion
Tohru Ohama's contributions to toner technology through his patents and collaborations highlight his role as an innovator in the industry. His work continues to influence the development of efficient and effective printing solutions.