Location History:
- Takatsuki, JP (2003 - 2006)
- Osaka, JP (2006)
Company Filing History:
Years Active: 2003-2006
Title: Kiyoshi Hashimotodani: Innovator in Electrodeless Discharge Lamp Technology
Introduction
Kiyoshi Hashimotodani is a notable inventor based in Takatsuki, Japan. He has made significant contributions to the field of electrodeless discharge lamps, holding a total of 6 patents. His innovative designs have advanced lighting technology, making it more efficient and compact.
Latest Patents
One of Hashimotodani's latest patents is for an electrodeless discharge lamp. This lamp features a bulb with a substance for electric discharge sealed within it. The bulb has a reentrant portion that protrudes inwardly along a Z-axis direction. An induction coil is arranged in this reentrant portion, which includes a magnetic core and a winding wound around it. The drive circuit supplies power to the induction coil at frequencies ranging from 50 kHz to 1 MHz. The bulb's outer diameter ranges from 65 mm to 75 mm, and the magnetic core's length is designed to be 1.05 times or more than the length of the winding in the Z-axis direction, with a maximum length of 41 mm.
Another significant patent is for a compact self-ballasted electrodeless discharge lamp and its associated lighting device. This design includes a bulb type electrodeless discharge lamp with a recessed part. The maximum diameter of the light-emitting tube is between 60 to 90 mm, and the tube wall load is specified to be between 0.07 to 0.11 W/cm. 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 is carefully calculated to meet specific requirements.
Career Highlights
Kiyoshi Hashimotodani works at Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work has been instrumental in developing advanced lighting solutions that are both energy-efficient and effective.
Collaborations
Throughout his career, Hashimotodani has collaborated with notable colleagues, including Akira Hochi and Takeshi Arakawa. These collaborations have contributed to the success of his inventions and the advancement of technology in the field.
Conclusion
Kiyoshi Hashimotodani is a prominent figure in the realm of electrodeless discharge lamp
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