Location History:
- Tokyo, JP (1982 - 1984)
- Chiba, JP (1997 - 2005)
Company Filing History:
6 out of 2,899 
2 out of 349 
1 out of 127 Years Active: 1982-2005
Title: The Innovations of Susumu Fujita
Introduction
Susumu Fujita is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of display technology, holding a total of 9 patents. His work focuses on improving the performance and longevity of self-luminous display elements.
Latest Patents
Fujita's latest patents include a light emitting indicator drive circuit and a self-luminous display element driving device. The light emitting indicator drive circuit supplies a constant current from a P-channel MOS-FET to display elements that differ in display areas. A pulse width control circuit manages the on/off ratio, while a deterioration detecting circuit calculates the necessary adjustments to maintain consistent luminance. This innovation effectively corrects differences in luminance and mitigates degradation caused by deterioration.
The self-luminous display element driving device features a circuit that generates deterioration information regarding the self-luminous display element's state. It adjusts the voltage applied to the display element based on this information. The deterioration information is derived from various parameters, including time, luminance, current value, and voltage value. The self-luminous display elements can include electroluminescent (EL) elements or organic EL elements.
Career Highlights
Fujita has worked with prominent companies such as Seiko Instruments Inc. and Kabushiki Kaisha Daini Seikosha. His experience in these organizations has allowed him to refine his expertise in display technologies and contribute to innovative solutions in the industry.
Collaborations
Fujita has collaborated with notable coworkers, including Tokuya Akase and Hiroshi Odagiri. Their combined efforts have led to advancements in display technology and have furthered the development of innovative products.
Conclusion
Susumu Fujita's contributions to display technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the development of self-luminous display elements, ensuring improved performance and longevity.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.