Location History:
- Shiga, JP (1999 - 2000)
- Shiga-ken, JP (2002 - 2006)
- Kyoto, JP (2019)
Company Filing History:
Years Active: 1999-2019
Title: Yoshiyuki Yamashita: Innovator in Electronic Apparatus and Lighting Devices
Introduction
Yoshiyuki Yamashita is a notable inventor based in Shiga-ken, Japan. He has made significant contributions to the field of electronic apparatus and lighting devices, holding a total of 5 patents. His innovative designs focus on improving heat transfer properties and enhancing the efficiency of fluorescent lighting.
Latest Patents
One of his latest patents is an electronic apparatus designed to improve the heat transfer property from a heat generating element to a heat storage material. This apparatus includes a heat generating element and a heat storage device that stores the heat generated. The heat storage device features a reaction chamber containing a heat storage material, which absorbs the heat. Notably, the thermal conductivity of the peripheral part of the reaction chamber is smaller than that of the central part, optimizing heat transfer.
Another significant patent is a fluorescent lamp lighting device. This device comprises a fluorescent light bulb with an electrode filament and an electronic lighting circuit substrate. The circuit includes a capacitor connected in parallel with the bulb, along with a positive characteristic thermistor and a negative characteristic thermistor. The design ensures that the negative characteristic thermistor is mounted in contact with the electronic lighting circuit substrate, enhancing the device's performance.
Career Highlights
Yamashita is currently employed at Murata Manufacturing Co., Ltd., where he continues to innovate and develop new technologies. His work has had a substantial impact on the efficiency and functionality of electronic devices.
Collaborations
Yamashita has collaborated with notable coworkers, including Masahiko Kawase and Tatsuya Yoshimura. Their combined expertise has contributed to the advancement of various projects within the company.
Conclusion
Yoshiyuki Yamashita is a distinguished inventor whose work in electronic apparatus and lighting devices has led to several important patents. His innovative contributions continue to shape the industry and improve technology.