Location History:
- Itami, JP (1989 - 1992)
- Amagasaki, JP (1996 - 1997)
- Hyogo, JP (1986 - 2000)
Company Filing History:
Years Active: 1986-2000
Title: Hisao Kumabe: Innovator in Solar Battery Technology
Introduction
Hisao Kumabe is a prominent inventor based in Itami, Japan, known for his significant contributions to solar battery technology. With a total of 11 patents to his name, Kumabe has been instrumental in developing methods that enhance the efficiency and cost-effectiveness of solar energy production.
Latest Patents
Kumabe's latest patents include a "Method of and apparatus for manufacturing thin solar battery" and a "Method for producing thin film solar cell." The first patent simplifies the process of forming electrodes during the modularization of solar batteries. This innovative manufacturing method allows for the production of thin solar batteries at a reduced cost and with improved yield. By utilizing a robot equipped with a suction chip, Kumabe's method ensures that semiconductor films are accurately placed onto glass substrates without damage. Additionally, the simultaneous printing of p-type and n-type electrodes streamlines the manufacturing process.
The second patent focuses on fabricating thin film solar cells. In this method, a thin semiconductor film is formed on a substrate, and holes are created to etch away the intermediate layer. This process separates the semiconductor film from the substrate efficiently, minimizing stress and preventing damage. The ability to maintain the substrate in good condition allows for its reuse, further reducing production costs.
Career Highlights
Kumabe is associated with Mitsubishi Denki Kabushiki Kaisha, where he has made significant strides in solar technology. His work has not only advanced the field but has also contributed to the broader goal of sustainable energy solutions.
Collaborations
Some of Kumabe's notable coworkers include Hiroaki Morikawa and Yoshitatsu Kawama, who have collaborated with him on various projects, enhancing the innovation landscape in solar technology.
Conclusion
Hisao Kumabe's innovative approaches to solar battery manufacturing and thin film solar cells exemplify his commitment to advancing renewable energy technologies. His contributions continue to impact the industry positively, paving the way for more efficient and sustainable energy solutions.