Location History:
- Yokosuka, JP (1997)
- Yokohama, JP (1993 - 1999)
- Tokyo, JP (1990 - 2006)
Company Filing History:
9 out of 662 
4 out of 6 
1 out of 52,766 
Years Active: 1990-2006
Title: Kazuyoshi Okamura - Innovator in High-Intensity Discharge Lamp Technology
Introduction
Kazuyoshi Okamura is an inventor based in Yokohama-Shi, Japan. He has made significant contributions to the field of lighting technology, particularly in high-intensity discharge lamps. Although he currently holds no granted patents, his innovative ideas are reflected in his latest patent applications.
Latest Patent Applications
Kazuyoshi Okamura's recent patent applications include a high-intensity discharge lamp and lighting device. This invention features an arc tube with a heat-resistant translucent discharge vessel that forms a discharge space. The design incorporates an electrode structure and a discharge medium composed of a light-emitting metal, including mercury, along with a starting gas. The support member is electrically connected to the electrode structure and holds the arc tube, which is sealed within an outer bulb. The electrode structure includes a hermetically sealed electrode shaft with a tip portion inside the discharge vessel, a coiled electrode wound around the tip, and a unique recessed or protruding portion on the electrode shaft. Additionally, he has developed a coating liquid for a diffusing film of high-pressure discharge lamps, which includes silica particles with varying shapes and curvatures.
Conclusion
Kazuyoshi Okamura's work in high-intensity discharge lamp technology showcases his innovative spirit and dedication to advancing lighting solutions. His latest patent applications reflect his commitment to improving the efficiency and functionality of lighting devices.