This inventor holds 14 USPTO granted patents and 1 EPO patent, primarily in Image Processing Technology. Top assignees: Ricoh Company, Ltd., Canon Kabushiki Kaisha, Hitachi, Ltd.. Active years: 1990-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitahinaka, JP (2011)
- Kokubunji, JP (2015 - 2018)
- Tokyo, JP (1990 - 2021)
Company Filing History:
5 out of 28,970 
4 out of 93,258 
4 out of 42,752 
Years Active: 1990-2025
Areas of Expertise:
Title: Innovations by Hiroshi Kusumoto
Introduction
Hiroshi Kusumoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of refrigeration and air conditioning technology. With a total of 14 patents to his name, Kusumoto has developed innovative solutions that enhance the efficiency and performance of refrigerant systems.
Latest Patents
Among his latest patents is a refrigerant quantity diagnosis device, which includes an evaluation value calculation part that calculates a refrigerant quantity index evaluation value. This evaluation value is based on the ratio of a measured refrigerant quantity index value to a reference refrigerant quantity index value during both normal and determination periods. The device effectively diagnoses refrigerant quantity by comparing these evaluation values. Another notable patent is a performance diagnosis device for air conditioners. This device collects operation data and evaluates the performance of the air conditioner by comparing it with individual characteristic curved surface data. This innovation allows for the detection of performance deterioration, ensuring timely maintenance.
Career Highlights
Kusumoto has worked with renowned companies such as Ricoh Company, Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing advanced technologies in refrigeration and air conditioning.
Collaborations
Throughout his career, Kusumoto has collaborated with talented individuals, including Yoko Kokugan and Tadashi Sano. These collaborations have fostered innovation and the development of cutting-edge technologies.
Conclusion
Hiroshi Kusumoto's contributions to refrigeration and air conditioning technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the industry and improve the efficiency of refrigerant systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile