Takeshi Ohtake

Takeshi Ohtake is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of toner technology, holding a total of 4 patents. His work primarily focuses on developing toners that enhance the quality and efficiency of electrostatic imaging.

Latest Patents

One of his latest patents is for a toner having negative triboelectric chargeability and a developing method. This toner is designed to develop both positively and negatively charged images and is composed of a binder resin, a colorant, and an organic metal compound. The organic metal compound includes an organic zirconium compound that features coordination or bonding with an aromatic compound as a ligand or an acid source.

Another significant patent involves a toner for developing electrostatic images and an image forming method. This toner consists of particles that contain a binder resin, a colorant, and a wax. The wax meets specific conditions, including showing a maximum heat-absorption peak in a defined temperature range and providing a distinct ¹³C-NMR spectrum.

Career Highlights

Takeshi Ohtake is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to innovate and refine toner products that are essential for high-quality printing solutions.

Collaborations

He has collaborated with notable coworkers, including Yoshihiro Oguchi and Kozo Arao. Their combined expertise has contributed to the advancements in toner technology and the development of new imaging methods.

Conclusion

Takeshi Ohtake's contributions to toner technology have made a significant impact in the field of electrostatic imaging. His innovative patents and collaborations continue to drive advancements in this essential area of technology.