This inventor holds 15 USPTO granted patents. Top assignees: Masunaga Optical Mfg. Co., Ltd., Masunaga Menlo Park Co., Ltd., The Furukawa Electric Co., Ltd.. Active years: 1994-2014.
Company Filing History:
12 out of 12 
3 out of 3 
3 out of 2,643 
Years Active: 1994-2014
Title: **The Innovative Contributions of Satoru Masunaga**
Introduction
Satoru Masunaga, hailing from Fukui, Japan, is a prolific inventor known for his significant contributions to the eyewear industry. With a remarkable portfolio that includes 15 patents, Masunaga has focused his inventive prowess on the design and functionality of spectacles, striving to enhance both comfort and durability for everyday users.
Latest Patents
Among his latest innovations, Masunaga has patented a groundbreaking design for spectacles frames and temple members. This invention features a unique temple main body, which includes a plate spring section strategically formed alongside the front frame. The design incorporates a highly rigid section at the rear, ensuring improved bending rigidity compared to the plate spring section. Additionally, Masunaga’s approach to maintaining a consistent or tapered vertical width in the plate spring enhances user comfort by adapting to the lateral profile of the head.
Another significant advancement is his patent for rimless spectacles with lens holding stability. This innovative design stabilizes the jointing condition between the lenses and their respective components, ensuring long-lasting shape integrity. By minimizing the number of assembly parts, this invention enhances production efficiency and simplifies inventory control, making it a favorable choice for manufacturers.
Career Highlights
Satoru Masunaga has built a distinguished career in the optical industry, notably working with Masunaga Optical Manufacturing Co., Ltd. and The Furukawa Electric Co., Ltd. His experience in these organizations has been pivotal in shaping his understanding of design and manufacturing processes, contributing effectively to his inventive endeavors.
Collaborations
During his career, Masunaga has collaborated with various talented individuals, including Kazuo Murata and Setsuo Sanae. Working alongside such esteemed colleagues has facilitated the exchange of ideas, further fueling innovation within his projects.
Conclusion
Satoru Masunaga’s innovative spirit and dedication to improving eyewear through his numerous patents highlight his importance in the field of optical design. His latest contributions not only advance the functionality of spectacles but also pave the way for future innovations in eyewear technology. Masunaga’s work continues to inspire both current and future inventors in the industry, ensuring that comfort and quality remain integral to eyewear design.