This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Construction Machinery Co., Ltd., Hitachi Home and Life Solutions, Inc.. Active years: 1997-2017.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaraki-ken, JP (1997)
- Chiyoda, JP (2007 - 2008)
- Tokyo, JP (2017)
Company Filing History:
3 out of 42,740 
1 out of 1,508 
1 out of 8 
Years Active: 1997-2017
Title: Hiroyuki Sadamori: Innovator in Hydraulic Systems and Cleaning Devices
Introduction
Hiroyuki Sadamori is a notable inventor based in Chiyoda, Japan. He has made significant contributions to the field of hydraulic systems and cleaning devices, holding a total of 4 patents. His innovative designs focus on enhancing operability and efficiency in various applications.
Latest Patents
One of Sadamori's latest patents is a hydraulic closed circuit system. This system utilizes a single rod type hydraulic cylinder to prevent the hunting of a flushing valve caused by delays in response and circuit pressure pulsations. By doing so, it maintains the operability of the hydraulic cylinder. The design includes a hydraulic pump connected via two hydraulic lines, with a flushing valve positioned between the lines and a control unit that adjusts pressure parameters. The system intelligently switches the flushing valve based on pressure comparisons, ensuring optimal performance.
Another significant invention is a self-propelled cleaning device and charger. This device features a cylindrical side cover and a suction body that can move transversely. It is designed to clean corners effectively, with the suction body adjusting its movement when approaching obstacles. The innovative design allows for efficient cleaning while detecting the direction of obstacles, enhancing its usability.
Career Highlights
Hiroyuki Sadamori has worked with prominent companies such as Hitachi, Ltd. and Hitachi Home and Life Solutions, Inc. His experience in these organizations has contributed to his expertise in developing advanced technologies in hydraulic systems and cleaning devices.
Collaborations
Throughout his career, Sadamori has collaborated with talented individuals, including Yuuji Hosoda and Kenji Hiraku. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Hiroyuki Sadamori's contributions to hydraulic systems and cleaning devices demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of engineering principles and a desire to improve everyday technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile