Tomofumi Ohnishi

Title: Inventor Spotlight: Tomofumi Ohnishi

Introduction

Tomofumi Ohnishi is a prominent inventor based in Tokyo, Japan, known for his remarkable contributions to optical technology. With a total of seven patents to his name, Ohnishi has been at the forefront of innovations in the field, particularly with advancements in polymerizable compositions used for producing optical components.

Latest Patents

Ohnishi's most recent patents include innovations that significantly enhance the quality and functionality of optical members. One notable patent is the "Polymerizable composition for optical members, optical member and eyeglass lens". This composition effectively prevents striae while maintaining strength in thick optical components. The patented mixture comprises a first composition featuring a polyisocyanate compound and a second composition that includes both a polythiol compound and a thiol group-containing substance. The careful balance and specific conditions outlined within the patent ensure optimal performance and durability of optical products.

Another critical innovation is the "Method for manufacturing optical member," a production technique that involves injecting a polymerizable composition into a molding die and polymerizing it. The method optimally regulates the percentage content of plasticizers, enhancing the effectiveness of the final optical component.

Career Highlights

Tomofumi Ohnishi has made significant strides in his career, having worked with reputable companies such as Hoya Lens Thailand Ltd. and Hoya Corporation. His experience in these organizations has contributed to his prowess in developing cutting-edge optical technologies and understanding industry-specific needs.

Collaborations

Throughout his career, Ohnishi has collaborated with noted professionals such as Masahisa Kousaka and Yukio Kageyama. These partnerships have facilitated an exchange of ideas and fueled innovative solutions in optical sciences.

Conclusion

Tomofumi Ohnishi stands out as a key figure in the field of optical technology. His innovative spirit and dedication to advancing optical components have led to several patents that promise to enhance product quality and performance. With his ongoing contributions, the future of optical innovation continues to look bright under his influence.