Location History:
- Saitama-ken, JP (2014 - 2017)
- Saitama, JP (2007 - 2024)
Company Filing History:
14 out of 16,136 
4 out of 695 
1 out of 209 
Years Active: 2007-2025
Title: **Ryoko Tomioka: A Pioneer in Imaging Lens Technology**
Introduction:
Ryoko Tomioka, based in Saitama, Japan, is an accomplished inventor with a distinguished portfolio of 18 patents. His work primarily focuses on innovations in imaging lens technology, showcasing significant contributions to the field.
Latest Patents:
Among his latest inventions is an advanced **imaging lens and imaging apparatus**. This particular imaging lens comprises, in order from the object side, a first lens group that possesses positive refractive power, followed by a stop, a second lens group with positive refractive power, and a third lens group. Remarkably, during focus adjustments, either the entirety of the first lens group, the stop, and the second lens group collectively moves as a focus group, while the third lens group remains stationary concerning the image plane. This invention fulfills specific conditional expressions, enhancing imaging precision. Another significant patent by Tomioka is an **imaging lens and imaging apparatus** where the arrangement from the object side to the image side consists of a first lens group with positive refractive power, a second lens group with negative refractive power, and a third lens group. In this design, during focusing, only the second lens group is mobile. The invention abides by the conditional expression: −0.5 Career Highlights: Throughout his career, Ryoko Tomioka has made significant strides in the optical technology sector, with noteworthy tenures at reputable companies such as **Fujifilm Corporation** and **Fujinon Corporation**. His contributions have pushed the boundaries of imaging technology, leading to advancements that are crucial for modern photography and imaging solutions. Collaborations: Ryoko has collaborated with talented individuals, including coworkers like **Takayuki Noda** and **Taiga Noda**. These collaborations have fostered innovation, enabling the development of cutting-edge imaging technologies that are now integral to various applications in the industry. Conclusion: Ryoko Tomioka's innovative spirit and dedication to advancing imaging lens technology make him a prominent figure in the field of optics. His extensive patent portfolio reflects a commitment to excellence and a vision for harnessing technology to improve imaging solutions, cementing his legacy as a key inventor in this domain.