Sadamu Yoshida

Title: **Inventor Profile: Sadamu Yoshida**

Introduction

Sadamu Yoshida is a prominent inventor based in Osaka, Japan, known for his innovative contributions to the field of liquid compositions and organic light-emitting devices. With a total of two patents to his name, Yoshida has made significant strides in enhancing manufacturing processes and materials.

Latest Patents

Yoshida's first notable patent is a **Method for Producing Liquid Composition**. This patent outlines a process for creating a liquid composition that combines phosphorescent materials with organic solvents. The procedure includes dissolving the phosphorescent substance in the organic solvent to yield a mixed liquid and subsequently filtering this mixture through a specialized filtering device. This device incorporates materials designed to ensure optimal interaction with the mixed liquid, featuring metals and fluororesins among other substances.

The second patent, **Organic Light-Emitting Device Production Method, Production System Therefor, and Production Device Therefor**, details a cutting-edge manufacturing method for organic light-emitting devices. This invention emphasizes a controlled manufacturing environment where external light is blocked. The apparatus uses an ejector for dispensing ink containing organic light-emitting materials, incorporating a light-transmissive tube to facilitate the transport of ink while managing exposure to light. The method includes specific parameters for ink removal based on exposure amounts, ensuring high efficiency and production quality.

Career Highlights

Throughout his career, Sadamu Yoshida has been associated with notable organizations, notably Sumitomo Chemical Company, Limited and Joled Inc. His work with these companies has solidified his reputation as a key player in the innovation of light-emitting technologies and materials science.

Collaborations

During his professional journey, Yoshida has collaborated with talented individuals such as Hidenobu Kakimoto and Hisaaki Miyamoto. These partnerships have facilitated the exchange of ideas and driven advancements in their respective fields, contributing to the success of Yoshida's projects and patents.

Conclusion

Sadamu Yoshida's contributions to the fields of liquid compositions and organic light-emitting devices demonstrate his commitment to innovation. His patents reflect a deep understanding of materials and manufacturing processes, positioning him as a significant figure in the landscape of modern technology. As he continues to develop his ideas, one can anticipate further advancements from this inventive mind.