Location History:
- Tokyo, JP (1992 - 1994)
- Wako, JP (1997 - 2001)
- Saitama, JP (1999 - 2007)
- Sayama, JP (2005 - 2007)
- Sayama-shi, Saitama, JP (2009)
Company Filing History:
10 out of 10,092 
1 out of 15 
1 out of 57 Years Active: 1992-2009
Title: Innovations of Katsuhiko Takebe
Introduction
Katsuhiko Takebe is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of light sensor technology, holding a total of 14 patents. His work focuses on enhancing the performance and efficiency of light sensors, which are crucial in various applications.
Latest Patents
One of his latest patents is a light sensor circuit that features a source/drain voltage changing-over circuit designed to minimize afterglow. This innovative circuit operates by generating a photo current in a photoelectric converting element that is proportional to the amount of incident light. It converts this photo current into a voltage signal using a transistor with a logarithmic output characteristic, ensuring a wide dynamic range and eliminating afterglow even under low light conditions.
Another significant patent is an output-compensating device for image sensors. This device optimally compensates the output signals of an image sensor composed of multiple light-sensor circuits. Each circuit produces a sensor current proportional to the light falling on it. The device initializes by removing accumulated charge in the parasitic capacitor of the photoelectric converting element, ensuring accurate pixel signal output under varying light conditions.
Career Highlights
Katsuhiko Takebe has worked with prominent companies, including Honda Giken Kogyo Kabushiki Kaisha. His experience in the industry has allowed him to develop innovative solutions that address real-world challenges in light sensing technology.
Collaborations
He has collaborated with notable individuals such as Sukeyuki Shinotsuka and Satoshi Hiyama. These collaborations have contributed to the advancement of his inventions and the development of new technologies.
Conclusion
Katsuhiko Takebe's contributions to light sensor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative solutions continue to impact various applications, showcasing the importance of advancements in sensor technology.
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.