This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Shikoku Electric Power Co., Inc., Shikoku Denryoku Kabushiki Kaisha. Active years: 1984-1987.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 42,743 
2 out of 17 
1 out of 5 Years Active: 1984-1987
Title: Seiichi Sakai: Innovator in Photovoltaic Technology and Electric Apparatus Diagnosis
Introduction
Seiichi Sakai is a notable inventor based in Kagawa, Japan. He has made significant contributions to the fields of photovoltaic power control systems and the diagnosis of oil-filled electric apparatus. With a total of 3 patents, his work reflects a commitment to advancing technology in energy management and electrical safety.
Latest Patents
One of Sakai's latest patents is a photovoltaic power control system. This system is designed to optimize the output of solar cell arrays by utilizing an inverter to convert DC power to AC power. It features charge-and-discharge control mechanisms that manage surplus and shortage of power by interfacing with a storage battery. The system also includes weather fluctuation pattern selection means, which allows it to adapt to various weather conditions, enhancing its efficiency in energy generation.
Another significant patent is a method and apparatus for diagnosing oil-filled electric apparatus. This innovation focuses on identifying abnormalities within electric devices by analyzing gas extracted from the oil. By comparing the contents of specific components against predetermined reference values, the system can determine the presence of abnormalities and classify their types, ensuring the reliability and safety of electric apparatus.
Career Highlights
Throughout his career, Seiichi Sakai has worked with prominent companies such as Hitachi, Ltd. and Shikoku Electric Power Co., Inc. His experience in these organizations has contributed to his expertise in electrical engineering and innovation.
Collaborations
Sakai has collaborated with notable colleagues, including Toshihiko Gange and Katuo Sugawara. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Seiichi Sakai's contributions to photovoltaic technology and electric apparatus diagnosis highlight his role as a significant inventor in Japan. His patents not only reflect his technical expertise but also his commitment to improving energy efficiency and safety in electrical systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile