This inventor holds 6 USPTO granted patents and 2 published patent applications. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2003-2017.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nara-ken, JP (2003)
- Yamatotakada, JP (2006)
- Higashihiroshima, JP (2007)
- Sakai, JP (2017)
Company Filing History:
Years Active: 2003-2017
Title: Hideshi Koizumi: Innovator in Light Emitting Devices
Introduction
Hideshi Koizumi is a prominent inventor based in Yamatotakada, Japan. He has made significant contributions to the field of light emitting devices, holding a total of 6 patents. His work focuses on enhancing the color purities of light, which has important applications in various technologies.
Latest Patents
One of his latest patents is a light emitting device that enhances the color purities of blue-green light and yellow or yellow-green light. This device includes a substrate, an LED chip group, and a sealing resin part that collectively seals the LED chip group. The LED chip group consists of a green LED chip (GB), a green LED chip (GY), a blue LED chip (B), and a red LED chip (R). Notably, the green LED chip (GB) has a dominant wavelength shorter than that of the green LED chip (GY).
Another significant patent is for a semiconductor laser and apparatus. In this invention, semiconductor laser devices are mounted on a loading face of a radiation base portion made from a radiation material. The radiation base portion and a cap portion together form an envelope surrounding the semiconductor laser devices. This design allows for efficient heat transfer from the semiconductor laser devices to the radiation base portion, resulting in improved radiation characteristics and a low-profile specification.
Career Highlights
Hideshi Koizumi is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of light emitting technology. His work has been instrumental in advancing the capabilities of semiconductor lasers and light emitting devices.
Collaborations
Throughout his career, Koizumi has collaborated with notable colleagues, including Takuya Shigenobu and Toshio Hata. These collaborations have contributed to the development of cutting-edge technologies in the field.
Conclusion
Hideshi Koizumi is a distinguished inventor whose work in light emitting devices and semiconductor lasers has made a significant impact on technology. His innovative patents and collaborations continue to shape the future of this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile