Takako Tojyo

Title: Takako Tojyo: Innovator in Tempered Glass Technology

Introduction

Takako Tojyo is a prominent inventor based in Shiga, Japan. She has made significant contributions to the field of glass technology, particularly in the development of tempered glass. With a total of 2 patents to her name, Tojyo's work has had a substantial impact on the industry.

Latest Patents

Her latest patents include innovations in tempered glass and glass compositions. One of her patents describes a tempered glass that features a compressive stress layer on its surface. This glass composition includes, in terms of mass percentage, 50 to 80% of SiO, 10 to 30% of AlO, 0 to 6% of BO, 0 to 2% of LiO, and 5 to 25% of NaO, while being substantially free of AsO, SbO, PbO, and F. Another patent focuses on a tempered glass sheet that also has a compression stress layer. This composition consists of 50 to 75% of SiO, 3 to 13% of AlO, 0 to 1.5% of BO, 0 to 4% of LiO, 7 to 20% of NaO, 0 to 10% of KO, 0.5 to 13% of MgO, 0 to 6% of CaO, and 0 to 4.5% of SrO, maintaining a molar ratio of MgO/(MgO+AlO) between 0.05 to 0.30.

Career Highlights

Tojyo is currently employed at Nippon Electric Glass Co., Ltd., where she continues to innovate in the field of glass technology. Her work has been recognized for its technical excellence and practical applications in various industries.

Collaborations

Some of her notable coworkers include Kosuke Kawamoto and Takashi Murata, who have collaborated with her on various projects within the company.

Conclusion

Takako Tojyo's contributions to tempered glass technology exemplify her dedication to innovation and excellence in her field. Her patents reflect a commitment to advancing glass composition and manufacturing processes.