This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hyogo, JP (2006)
- Kobe, JP (2006)
Company Filing History:
Years Active: 2006
Title: The Innovations of Yoshihisa Hagiwara
Introduction
Yoshihisa Hagiwara is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of electrodeless discharge lamps, holding a total of 2 patents. His work has advanced lighting technology, making it more efficient and effective.
Latest Patents
Hagiwara's latest patents include a compact self-ballasted electrodeless discharge lamp and an electrodeless-discharge-lamp lighting device. The first patent describes a bulb-type electrodeless discharge lamp that features a recessed part, with a maximum diameter of the light-emitting tube ranging from 60 to 90 mm. The tube wall load of the light-emitting tube is specified to be between 0.07 to 0.11 W/cm. Additionally, the relationship between the diameter of the recessed part and the interval between the top of the recessed part and the top part of the light-emitting tube meets specific requirements. The second patent focuses on an electrodeless low-pressure discharge lamp operating device, which includes a light-transmitting discharge bulb, an induction coil, and a ballast circuit for supplying high-frequency power. The operating frequency of the ballast circuit ranges from 80 kHz to 500 kHz, ensuring optimal performance.
Career Highlights
Yoshihisa Hagiwara is currently employed at Matsushita Electric Industrial Co., Ltd. His work at this esteemed company has allowed him to innovate and develop advanced lighting solutions that are both practical and efficient. His contributions have been instrumental in the evolution of lighting technology.
Collaborations
Hagiwara has collaborated with notable coworkers, including Yuuji Omata and Akira Hochi. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the field of electrodeless discharge lamps.
Conclusion
Yoshihisa Hagiwara's contributions to the field of lighting technology through his patents and collaborations have made a significant impact. His work continues to influence the industry, paving the way for future innovations in electrodeless discharge lamps.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile