This inventor holds 33 USPTO granted patents and 5 published patent applications and 11 EPO patents, primarily in Optical Imaging Technology. Top assignees: Kabushiki Kaisha Topcon, Ihi Corporation, Castrip, LLC. Active years: 1994-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (1994 - 2011)
- Koto-ku, JP (2011)
- Yokohama, JP (2011 - 2013)
- Kounosu, JP (2018)
- Hyogo, JP (2006 - 2020)
- Tokyo, JP (2007 - 2022)
Company Filing History:
12 out of 1,033 
8 out of 1,195 
2 out of 26 
Years Active: 1994-2022
Areas of Expertise:
Title: The Innovative Contributions of Hiroyuki Otsuka
Introduction
Hiroyuki Otsuka, an influential inventor based in Tokyo, Japan, has made significant contributions to the field of engineering and technology. With a remarkable portfolio of 32 patents, he has focused on advancements in electric power conversion devices and construction machinery. Otsuka's innovative spirit continues to drive progress in these industries.
Latest Patents
Otsuka's latest inventions highlight his expertise and creativity. One notable patent is for an electric power conversion device which integrates multiple circuits for enhanced functionality. This device features a first electric power conversion circuit, a current detection circuit, and an electric power conversion circuit designed for field coil excitation. It effectively manages excessive currents and optimizes power supply through a well-coordinated control system.
Another significant patent is for a construction machine equipped with a boom. This innovative construction apparatus is engineered to suppress boom deformation, offering a practical solution at a low cost. The machine incorporates hydraulic cylinders, a deformation sensing device, and a control system to adjust hydraulic fluid supply, thereby enhancing stability and performance.
Career Highlights
Throughout his career, Hiroyuki Otsuka has worked with prominent companies, including Kabushiki Kaisha Topcon and IHI Corporation. His experience in these esteemed organizations has undoubtedly contributed to his impressive understanding of complex engineering challenges and solutions.
Collaborations
Otsuka has had the opportunity to collaborate with esteemed colleagues, including Yasufumi Fukuma and Hisashi Tsukada. Their combined expertise has likely fostered an environment of innovation and led to enhanced developments in their respective fields.
Conclusion
Hiroyuki Otsuka stands out as a remarkable inventor whose contributions to electric power conversion and construction machinery exemplify innovation and practicality. His work continues to inspire future generations of engineers and inventors, cementing his legacy in the world of technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile