This inventor holds 6 USPTO granted patents. Top assignees: Washi Kosan Co., Ltd., Hitachi, Ltd., Nippon Mayer Co., Ltd.. Active years: 1990-2010.
Location History:
- Tochigi-ken, JP (1998)
- Tochigi, JP (1990 - 2010)
Company Filing History:
5 out of 11 
1 out of 42,717 
1 out of 8 Years Active: 1990-2010
Title: Kenji Sumida: Innovator in Debt Reduction and Eyewear Solutions
Introduction
Kenji Sumida is a notable inventor based in Tochigi, Japan. He has made significant contributions to the fields of finance and eyewear through his innovative patents. With a total of 6 patents, Sumida has demonstrated a commitment to solving complex problems through inventive solutions.
Latest Patents
One of Sumida's latest patents is a "Debt reduction method and device thereof." This method utilizes a communication network and derivatives to reduce various types of money debts, including housing loans and corporate bonds. By setting up a derivative that corresponds to the debt's period and conditions, debtors can purchase it at a relatively small premium. When the derivative generates a profit, it can be sold to realize that profit, effectively reducing the debt.
Another significant patent is the "Kit providing independent right and left eyeglass lenses with side frames and method for assembly thereof." This invention offers lenses in a variety of frequently used prescriptions, pre-ground to a desired contour. Consumers can select the proper lenses based on their prescriptions and assemble them into a complete pair of eyeglasses, with adjustable features to set the desired interpupillary distance.
Career Highlights
Throughout his career, Kenji Sumida has worked with reputable companies such as Washi Kosan Co., Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions.
Collaborations
Sumida has collaborated with talented individuals, including Kotaro Ono and Kazunori Kagei. These partnerships have likely enriched his inventive process and led to the development of his notable patents.
Conclusion
Kenji Sumida's contributions to innovation in debt reduction and eyewear assembly highlight his role as a significant inventor. His patents reflect a deep understanding of practical problems and a commitment to providing effective solutions.