Location History:
- Osaka, JP (1990)
- Shiga, JP (1993)
- Otsu, JP (1994)
- Tokyo, JP (1995)
Company Filing History:
4 out of 789 
3 out of 3,562 Years Active: 1990-1995
Title: Hiroshi Hirakouchi: Innovator in Vibration Damping Materials
Introduction
Hiroshi Hirakouchi, an accomplished inventor based in Otsu, Japan, has made significant contributions to the field of polymer technology, particularly in the development of viscoelastic materials. With a portfolio that includes four patents, Hirakouchi's innovations focus on enhancing vibration damping materials, which are essential in various industrial applications.
Latest Patents
Among his latest inventions is a viscoelastic resin composition for a vibration damping material. This invention is crafted to include a low Tg resin (A) with a glass transition temperature ranging between -60 to 0 degrees Celsius, designed with a specific molecular weight and component ratios. The composition also features a high Tg resin (B) selected from amorphous polyester resins, phenoxy resins, or epoxy resins. The innovative resin is utilized in attachable vibration damping materials and sandwich-type vibration damping materials, optimizing performance in demanding environments.
Career Highlights
Hirakouchi's professional journey includes significant roles at notable companies such as Toyo Boseki and Nippon Steel Corporation. His work in these organizations has underscored his expertise in material science and engineering, further establishing his reputation as a key innovator.
Collaborations
Throughout his career, Hirakouchi has collaborated with esteemed colleagues, including Takeshi Yatsuka and Nobuo Kadowaki. These collaborations have contributed to advancing the technology in polymer applications and have fostered innovation within their respective fields.
Conclusion
Hiroshi Hirakouchi stands out as a leading inventor in the area of vibration damping materials. His innovative patents and successful collaborations have positioned him as a significant figure in polymer technology, paving the way for future advancements in the industry. Through his contributions, Hirakouchi continues to influence and inspire the development of new materials that enhance product performance across various sectors.