Motohiro Usami

Motohiro Usami is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of image forming technology, holding a total of 3 patents. His work primarily focuses on enhancing the efficiency and effectiveness of image forming apparatuses.

Latest Patents

One of Usami's latest patents is for an image forming apparatus that includes an image carrier, a charger, an exposing unit, a developing unit, and a transferor. This apparatus is designed to control the suppression of toner attachment on the material by managing the length of the non-image part directly before an image part in the image carrier's moving direction. The relationship between the circumferential velocities of the image carrier and the developer carrier plays a crucial role in this process.

Another significant patent by Usami is an image forming apparatus and control method that regulates the primary and secondary transfer electric fields. This invention includes an image carrier, an intermediate transfer member, and a primary transfer member, along with a power supply unit that performs constant-current control. The system is designed to detect changes in primary transfer voltage and adjust the secondary transfer current accordingly, ensuring optimal performance.

Career Highlights

Motohiro Usami is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of imaging technology. His work has contributed to advancements in the efficiency and quality of image forming devices.

Collaborations

Usami has collaborated with notable coworkers such as Shinji Aoki and Yukio Tabata, further enhancing the innovative capabilities of his team.

Conclusion

Motohiro Usami's contributions to image forming technology through his patents and work at Ricoh Company, Ltd. highlight his role as a significant inventor in this field. His innovations continue to impact the industry positively.