Takehiko Otoyo

Title: Takehiko Otoyo: Innovator in Membrane Technology

Introduction

Takehiko Otoyo is a prominent inventor based in Fuji, Japan. He has made significant contributions to the field of membrane technology, holding a total of 4 patents. His innovative work focuses on improving the efficiency and effectiveness of membrane distillation processes.

Latest Patents

Otoyo's latest patents include a "Porous membrane for membrane distillation, and method for operating membrane distillation module." This invention features a membrane distillation device equipped with a module that includes multiple hydrophobic porous hollow fiber membranes. The device also contains a condenser for condensing water vapor extracted from the module. The average pore diameter of the porous hollow fiber is between 0.01-1 µm, and the filling ratio of the porous hollow fiber in the membrane distillation module ranges from 10-80%. The pressure conditions for the membrane distillation are set to be equal to or greater than 1 kPa and equal to or less than the saturated vapor pressure of water at the treatment temperature.

Another notable patent is the "Method for purifying aqueous suspension." This method and apparatus involve feeding an aqueous suspension containing fine particles through the outer surface of a wavy hollow fiber membrane. The outer diameter of the membrane ranges from 0.5 to 3.1 mm. This purifying method minimizes damage to the membrane's outer surface during the physical wash step, prevents open pores from becoming covered, and achieves stable filtration.

Career Highlights

Throughout his career, Takehiko Otoyo has worked with notable companies such as Asahi Kasei and Asahi Kasei Kogyo. His experience in these organizations has allowed him to develop and refine his innovative ideas in membrane technology.

Collaborations

Otoyo has collaborated with esteemed colleagues, including Tohru Taniguchi and Nobuhiko Suga. Their combined expertise has contributed to advancements in the field of membrane technology.

Conclusion

Takehiko Otoyo's contributions to membrane technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the efficiency of water purification processes and membrane distillation applications.