Company Filing History:
3 out of 382 
1 out of 80 
Years Active: 1995-1996
Title: **Innovative Contributions of Kiyohiro Harada**
Introduction
Kiyohiro Harada is a notable inventor based in Konan, Japan. He has made significant contributions to the field of compressor technology, holding three patents that enhance the performance and efficiency of refrigeration systems.
Latest Patents
Among Kiyohiro Harada's latest innovations is the "Scroll Type Compressor Having a Seal Bearing Unit." This invention features a drive shaft with a spiral groove that enhances lubrication and sealing between the oil space and the main bearing. The incorporation of a seal bearing portion consisting of a seal washer and a seal member improves the isolation of the oil space from the low-pressure orbiting space.
Another patent is the "Compressor Start-Up Controller." This device incorporates a compressing section for refrigerant, a motor for rotation, and a drive circuit connected to the motor. The unique feature of this controller is its ability to manage the motor's start-up in a step mode at very slow speeds, effectively controlling the electricity conducting to gradually adjust the commutating current, ensuring a smooth initiation of operation.
Career Highlights
Kiyohiro Harada has worked with prominent companies in the industry, including Zexel GmbH and Epson Corporation. His experience in these organizations has allowed him to develop advanced technologies that stand out in the market.
Collaborations
During his career, Kiyohiro has had the opportunity to collaborate with talented engineers such as Nobukazu Takagi and Susumu Saito. Their joint efforts have contributed to the innovative developments in compressor technology that Harada is known for today.
Conclusion
Kiyohiro Harada's contributions through his patents have significantly impacted refrigeration technology. His innovative solutions to common challenges in compressor design demonstrate his expertise and creativity as an inventor. As technology continues to evolve, the work of inventors like Harada plays a crucial role in shaping the industry.
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.