Location History:
- Tochigi, JP (1995)
- Tochigi-ken, JP (1996)
Company Filing History:
1 out of 1 
1 out of 6 
1 out of 776 
Years Active: 1995-1996
Title: Yosio Sunaga: Innovator in Wastewater Treatment and Musical Instrument Strings
Introduction
Yosio Sunaga is a notable inventor based in Tochigi, Japan. He has made significant contributions to the fields of wastewater treatment and musical instrument technology. With a total of 2 patents, his work reflects a blend of innovation and practical application.
Latest Patents
Sunaga's latest patents include advancements in ball-like structures and contacting materials for wastewater treatment. The disclosure describes ball-like structures formed from bundled, crimped fibers rounded around a central core. This core is created with a molten-fused structure and has specific stipulations regarding its material composition. The core material is designed for strings used in musical instruments, utilizing a twist of two or more multifilaments made from a vinylidene fluoride resin. The multifilament core possesses a diameter ranging from 0.1 to 5 mm, an elongation of 10 to 50%, and a tensile strength of at least 30 kg/mm². Additionally, it features a creep elongation of at most 15% and a Young's modulus of at least 200 kg/mm². The multifilament is constructed from monofilaments with a diameter of 1 to 300 µm, ensuring high performance in musical applications.
Career Highlights
Throughout his career, Yosio Sunaga has worked with prominent companies such as Kureha Kagaku Kogyo Co., Ltd. and Kureha Gosen Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in both wastewater treatment and musical instrument technology.
Collaborations
Sunaga has collaborated with notable coworkers, including Hisaaki Ueba and Tosio Nagasima. These partnerships have fostered a creative environment that has led to the development of his patented technologies.
Conclusion
Yosio Sunaga's contributions to innovation in wastewater treatment and musical instrument strings highlight his expertise and dedication to advancing technology. His patents reflect a commitment to improving both environmental and musical applications.