Location History:
- Mibu, JP (1981 - 1987)
- Omote, JP (1989)
- Tochigi, JP (1984 - 1995)
- Tochigi-ken, JP (1996)
Company Filing History:
7 out of 776 
6 out of 6 
1 out of 1 Years Active: 1981-1996
Title: Hisaaki Ueba: Innovator in Wastewater Treatment and Musical Instrument Strings
Introduction
Hisaaki Ueba is a notable inventor based in Mibu, Japan, recognized for his contributions to the fields of wastewater treatment and musical instrument technology. With a total of eight patents to his name, Ueba has made significant advancements that reflect his innovative spirit and technical expertise.
Latest Patents
One of Ueba's latest patents focuses on ball-like structures and contacting materials for wastewater treatment. This invention describes ball-like structures formed from bundled, crimped fibers that are rounded around a central core. The core is created with a molten-fused structure and is designed with specific stipulations. The core material consists of strings for musical instruments, utilizing a twist of two or more multifilaments made from a vinylidene fluoride resin. The multifilament core has precise dimensions and properties, including 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, the multifilament is composed of monofilaments with specific characteristics, making it suitable for creating strings for violins, cellos, and similar instruments.
Career Highlights
Throughout his career, Hisaaki Ueba has worked with prominent companies, including Kureha Kagaku Kogyo Co., Ltd. and Kureha Gosen Co., Ltd. His work 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
Ueba has collaborated with notable colleagues, including Masaaki Nakamura and Yosio Sunaga. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Hisaaki Ueba'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 solving complex problems and enhancing the quality of products in these fields.