Inventors with similar research interests:
Location History:
- Tama, JP (1994 - 1996)
- Tokyo, JP (1991 - 1997)
Company Filing History:
39 out of 47 
12 out of 159 
6 out of 847 
Years Active: 1991-1997
Areas of Expertise:
Title: Ryohei Kumagai: A Pioneer in Image Processing Innovations
Introduction
Ryohei Kumagai, based in Tokyo, Japan, is an accomplished inventor known for his significant contributions to the field of image processing. With an impressive portfolio of 51 patents, Kumagai has continuously pushed the boundaries of technology, particularly in the areas of color image data quantization and data processing systems.
Latest Patents
Among his notable recent inventions is a patented method for quantizing color image data by minimizing least squares error. This innovative approach simplifies operations in image processing systems while effectively reducing errors during the condensation of color image data. The method involves generating electrical signals representative of color image data, associating these signals with representative codes for different pixels, and grouping identical signals together to create condensed pixels. This results in a systematic way to enhance the efficiency and accuracy of image processing.
Additionally, Kumagai has developed a patented data processing system characterized by its unique architecture of neural layers. Each layer is divided into groups, allowing for direct connections between corresponding groups of neurons in adjacent layers. This structure not only facilitates a more refined level of abstraction in data processing but also optimizes the neural network's performance by establishing independent neural cells.
Career Highlights
Kumagai has built a distinguished career by working with various companies that leverage his expertise. He has been associated with Ezel Inc. and Yozan Corporation, where his innovative work has propelled advancements in technology.
Collaborations
Throughout his career, Kumagai has collaborated with a talented team, including distinguished coworkers such as Makoto Yamamoto and Sunao Takatori. Together, they have shared knowledge and innovative ideas that have contributed to breakthroughs in their respective fields.
Conclusion
Ryohei Kumagai's innovative spirit and dedication to advancing image processing technologies have made a lasting impact on the industry. His extensive patent portfolio and collaborative efforts with esteemed colleagues highlight his role as a leading inventor in this ever-evolving field. The work of Kumagai continues to inspire and shape the future of image processing and data management.