Location History:
- Aichi, JP (1993 - 2009)
- Seto, JP (1996 - 2019)
Company Filing History:
10 out of 1,138 
6 out of 375 
4 out of 3,252 
Years Active: 1993-2019
Title: Innovations in Solar Technology: The Contributions of Hisayoshi Fujikawa
Introduction
Hisayoshi Fujikawa, a prolific inventor from Aichi, Japan, has made significant contributions to the field of solar technology. With a remarkable total of 23 patents to his name, his work primarily focuses on enhancing the efficiency and functionality of solar cells through innovative designs.
Latest Patents
Two of Hisayoshi Fujikawa's latest patents illustrate his ingenuity in solar technology. The first is a "Solar Cell with Double Groove Diffraction Grating." This design utilizes double groove diffraction gratings in combination with various photoelectrodes, including dye-sensitized and organic photoelectrodes, to enhance absorption efficiency. The patent also encompasses functionalities such as transparency and reflectivity.
The second patent is titled "Solar Cell Assembly with Diffraction Gratings." This innovation presents a solar cell structure featuring either a dye-sensitized or organic absorber equipped with a diffraction grating on at least one side. This setup enhances the travel of first-order diffraction components through the photosensitive material. Notably, a two-sided cell design employs diffraction gratings on both the top and bottom, with the periodic diffraction elements of one grating shifted by one-quarter of its period relative to the other.
Career Highlights
Throughout his career, Hisayoshi Fujikawa has collaborated with renowned companies such as Toyota Central R&D Labs, Inc. and Hayashibara Biochemical Laboratories, Inc. His expertise and dedication to research have significantly advanced the development of solar cell technologies.
Collaborations
Collaboration has been key to Fujikawa's success. He has worked alongside notable coworkers, including Yasunori Taga and Koji Noda, who have contributed to various research initiatives and projects aimed at pushing the boundaries of solar energy technology.
Conclusion
Hisayoshi Fujikawa's innovative ideas and patents have established him as a prominent figure in solar technology. His contributions not only enhance the efficiency of solar cells but also pave the way for future advancements in the renewable energy sector. Through relentless dedication and collaboration, he continues to inspire and influence the field of solar energy innovation.
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.