Location History:
- Chiyoda, JP (2008)
- Hitachinaka, JP (2009 - 2012)
- Mito, JP (2012 - 2013)
Company Filing History:
7 out of 42,508 
3 out of 203 
2 out of 389 
Years Active: 2008-2025
Title: Hiroyuki Toyoda: Innovative Mind in Cooling Systems and Optical Pickups
Introduction
Hiroyuki Toyoda is a notable inventor based in Hitachinaka, Japan, who has contributed significantly to the fields of cooling systems and optical pickups. With a total of 11 patents to his name, Toyoda's inventions demonstrate a keen understanding of engineering and technology.
Latest Patents
Among his latest patents, Toyoda developed a highly efficient cooling system designed for cooling CPUs mounted on printed circuit boards within their housing. This innovative cooling system features a heat-receiving jacket thermally connected to the CPU's surface, utilizing evaporating liquid refrigerant stored in a pressure-reduced inner space to enhance heat dissipation. A condenser is incorporated to receive refrigerant vapor from the jacket, effectively condensing it back into liquid form by transferring heat outside the apparatus. Additionally, the system employs a thermo siphon for circulating refrigerant, optimizing efficiency with fine grooves on the condenser's inner wall for improved cooling.
His other notable patent includes an optical pickup system composed of a resin-made housing that ensures excellent heat radiation performance for a semiconductor laser. This compact design includes an objective lens and a driving mechanism, all while maintaining a lightweight structure. A metal bottom cover further enhances thermal connections with the semiconductor laser, ensuring optimal functionality in various applications.
Career Highlights
Hiroyuki Toyoda has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Media Electronics Co., Ltd. His tenure at these organizations gave him a platform to develop and refine his inventive ideas, contributing to advancements in technology that benefit multiple industries.
Collaborations
Throughout his career, Toyoda has collaborated with talented individuals such as Yoshihiro Kondo and Tadakatsu Nakajima. These partnerships highlight the importance of teamwork in driving innovation and the development of groundbreaking technologies.
Conclusion
Hiroyuki Toyoda's contributions to cooling systems and optical pickups showcase a remarkable journey of innovation and dedication. With multiple patents to his credit, he continues to be an influential figure in technology, demonstrating the potential for creativity to transform ideas into functional applications.