Location History:
- Kawasaki, JP (1998 - 2010)
- Yokohama, JP (2011)
Company Filing History:
20 out of 39,244 
2 out of 42,508 
2 out of 180 Years Active: 1998-2011
Title: Innovations by Katsuhiro Ishida: Pioneering Display Technologies
Introduction: Katsuhiro Ishida, an accomplished inventor based in Kawasaki, Japan, has made significant contributions to the field of display technology. With 24 patents to his name, his innovations focus primarily on methods for enhancing display quality, particularly in plasma display devices.
Latest Patents: Among his latest patents is the "Method for grayscale display processing for multi-grayscale display to reduce false contours in a plasma display device." This innovation addresses the challenge of false contouring by utilizing two types of subfield (SF) lighting patterns, arranged spatially in different regions within a field. By allowing only one mode to be active at any time during the lighting steps, Katsuhiro has significantly lowered the generation rate of absence of light-on SF, thus reducing the incidence of false contours. Another noteworthy patent is the "Display driving method and apparatus," which describes a technique to drive displays for gradation display by varying light emission times across subfields. This method establishes a consistent sustain time across the subfields within each field, optimizing luminance levels through improved image data display.
Career Highlights: Katsuhiro's professional journey includes pivotal roles at leading technology companies such as Fujitsu Corporation and Hitachi, Ltd. These experiences have equipped him with invaluable expertise in display technology, enabling him to innovate solutions that enhance visual performance.
Collaborations: Throughout his career, Katsuhiro has collaborated with notable peers, including Masaya Tajima and Toshio Ueda. Together, they have pushed the boundaries of what is possible in display technology, fostering a culture of innovation and excellence.
Conclusion: Katsuhiro Ishida stands out as a prominent figure in the realm of display innovations. His patented technologies contribute significantly to the advancement of visual display systems, addressing common issues such as false contouring and improving overall image quality. As technology continues to evolve, Katsuhiro's work serves as a testament to the importance of innovation in enhancing user experiences across diverse applications.