This inventor holds 76 USPTO granted patents and 3 published patent applications, primarily in Imaging Lens Technology (CPC class G02B). Top assignees: Kantatsu Co., Ltd., Optical Logic Inc., Tokyo Visionary Optics Co., Ltd.. Active years: 1994-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Yaita, JP (2014 - 2015)
- Sukagawa, JP (2013 - 2018)
- Tochigi, JP (2014 - 2022)
- Tokyo, JP (1994 - 2023)
Company Filing History:
65 out of 289 
28 out of 73 
9 out of 135 
Years Active: 1994-2023
Areas of Expertise:
Title: Tomohiro Yonezawa - Innovating Imaging Lens Technology
Introduction
Tomohiro Yonezawa is a prominent inventor based in Tochigi, Japan, known for his contributions to the field of optical technology. With an impressive portfolio of 76 patents, Yonezawa has made significant advancements in imaging lens design that benefit various industries, particularly in photography and imaging systems.
Latest Patents
Among his latest inventions, Yonezawa has developed several innovative imaging lens designs. One notable patent outlines an imaging lens comprising seven distinct lenses arranged from the object side to the image plane side. This configuration includes a third lens with negative refractive power and a sixth lens that features a concave surface on the image plane side within the paraxial region. Additionally, the seventh lens is designed with an aspheric surface, further enhancing the optical properties of the lens assembly. Another patent presents a similar arrangement but includes variations in the curvature and focal lengths of the lenses, contributing to improved imaging performance.
Career Highlights
Throughout his career, Tomohiro Yonezawa has worked with well-respected companies in the optics industry, including Kantatsu Co., Ltd. and Optical Logic Inc. His role in these organizations has enabled him to apply his innovative concepts in practical settings, leading to the commercial realization of his patents.
Collaborations
Yonezawa's work has often involved collaboration with talented professionals in the industry. Notable colleagues include Yoji Kubota and Kenichi Kubota, who have contributed to the development of advanced optical solutions alongside him. Their teamwork has fostered an environment of creativity and innovation, resulting in high-quality optical products.
Conclusion
In summary, Tomohiro Yonezawa stands out as a leading inventor in imaging lens technology, with a strong foundation of patents and significant professional collaborations. His work continues to impact the field of optics, paving the way for future advancements and innovations that are pivotal to the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile