Location History:
- Ichihara, JP (1989 - 1999)
- Chiba, JP (2001 - 2003)
- Chiyoda-Ku, JP (2004)
- Tokyo, JP (2006 - 2020)
Company Filing History:
19 out of 2,630 
1 out of 42 
1 out of 1,325 
Years Active: 1989-2025
Title: Innovations of Hisashi Koaizawa - A Luminary in LED Technology
Introduction
Hisashi Koaizawa, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of light-emitting diode (LED) technology. With a remarkable portfolio that boasts 19 patents, Koaizawa has proven himself as a key figure in the evolution of LED devices and their applications.
Latest Patents
Among Hisashi Koaizawa's notable inventions is his recent patent for an innovative LED lighting device. This device features a unique design incorporating an outer frame made of microcellular foam resin and two inner frames of the same material. The configuration allows for optimal light extraction through the openings at the upper portions and recess portions formed downwardly from these openings. The LED light source, situated within a dedicated light guide space, ensures that light is uniformly emitted from the extraction portion, enhancing efficiency and brightness.
Additionally, Koaizawa has developed a linear semiconductor substrate that utilizes a fiber-drawing technique traditionally used for optical fibers. This invention consists of at least one desired thin film formed on a substrate that is significantly longer than its width, thereby allowing for innovative device arrays and modules that leverage linear semiconductor technology.
Career Highlights
Koaizawa has honed his expertise through professional engagements with renowned companies such as Furukawa Electric Co., Ltd. and Totoku Electric Co., Ltd. His tenure at these organizations has greatly influenced the advancements he has brought to the LED and semiconductor industries.
Collaborations
In his journey of innovation, Koaizawa has worked alongside distinguished colleagues, including Nobuaki Orita and Toshihiro Nakamura. These collaborations have fostered an exchange of ideas and insights that have propelled Koaizawa's inventions into practical applications.
Conclusion
Hisashi Koaizawa stands as a testament to the power of innovation in technology, especially within the realm of LED lighting and semiconductor devices. With his impressive collection of patents and collaborative efforts, Koaizawa continues to shine as a luminary, driving forward the advancements that shape the future of lighting technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.