This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Iwasaki Electric Co., Ltd.. Active years: 2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Gyoda, JP (2013)
- Saitama, JP (2013)
Company Filing History:
Years Active: 2013
Title: Hirokazu Harasawa: Innovator in High Pressure Discharge Lamp Technology
Introduction
Hirokazu Harasawa is a notable inventor based in Gyoda, Japan. He has made significant contributions to the field of lighting technology, particularly in high pressure discharge lamps. With a total of 3 patents to his name, Harasawa continues to push the boundaries of innovation in this area.
Latest Patents
One of Harasawa's latest patents is for a high pressure discharge lamp ballast and light source apparatus. This invention drives a high pressure discharge lamp using a synthesized-waveform alternating current composed of multiple frequency components. The ballast is designed to control the ratio of these frequency components over time, applying a synthesized-waveform current to the lamp while also detecting its parameters. The control circuit can adjust the frequency ratio based on the lamp's state, ensuring optimal performance.
Another significant patent is for a UV enhancer for discharge lamps and its manufacturing method. This invention improves starting performance by efficiently irradiating UV light, which helps to suppress creeping discharge and atmospheric discharge outside the glow discharge tube. It also prevents cracks in the pinch seal portion, even under external bending forces. The design includes a light emitting chamber and a lead protrusion port, enhancing the overall functionality of the discharge tube.
Career Highlights
Hirokazu Harasawa is currently employed at Iwasaki Electric Co., Ltd., a company known for its advancements in lighting technology. His work there has allowed him to focus on developing innovative solutions that enhance the efficiency and reliability of lighting systems.
Collaborations
Harasawa collaborates with talented coworkers such as Tooru Nagase and Yoshiaki Komatsu. Their combined expertise contributes to the innovative projects at Iwasaki Electric Co., Ltd.
Conclusion
Hirokazu Harasawa is a prominent figure in the field of lighting technology, with a focus on high pressure discharge lamps. His innovative patents reflect his commitment to improving lighting efficiency and performance. Harasawa's contributions continue to shape the future of lighting solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile