Kohji Tokuyama

Title: Kohji Tokuyama: Innovator in Liquid Discharge Technology

Introduction

Kohji Tokuyama is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of liquid discharge technology, holding a total of 3 patents. His work primarily focuses on improving the efficiency and functionality of liquid discharge apparatuses.

Latest Patents

One of Tokuyama's latest patents is a liquid discharge apparatus that includes a liquid discharge head designed to discharge liquid. This apparatus features a liquid circulation path that includes the liquid discharge head and an exhaust path connected to the liquid circulation path on the downstream side of the liquid discharge head. The circuitry within the apparatus opens and closes between the liquid circulation path and the exhaust path to effectively exhaust bubbles in the liquid circulation path when the liquid is circulated.

Another significant patent is a device and method for detecting the state of discharged liquid droplets. This device includes a light-emitting element that emits a light beam to the liquid droplet from a nozzle. It also features a pair of light-receiving elements positioned on both sides of the beam diameter to receive scattered light from the liquid droplet. This technology allows for the detection of the state of the discharged liquid droplet based on the scattered light.

Career Highlights

Kohji Tokuyama is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of liquid discharge technology. His work has been instrumental in advancing the capabilities of liquid discharge systems, making them more efficient and reliable.

Collaborations

Throughout his career, Tokuyama has collaborated with notable colleagues such as Genichiro Kawamichi and Yutaka Nagasawa. These collaborations have contributed to the development of innovative technologies in the field.

Conclusion

Kohji Tokuyama is a prominent inventor whose work in liquid discharge technology has led to several important patents. His contributions continue to influence the industry, showcasing the importance of innovation in enhancing technological capabilities.