Location History:
- Tokyo, JP (1990)
- Tama, JP (1982 - 1999)
Company Filing History:
9 out of 372 
8 out of 42,485 
2 out of 134 
Years Active: 1982-1999
Title: Innovations of Tatsuro Kawamura
Introduction
Tatsuro Kawamura is a prominent inventor based in Tama, Japan. He holds a total of 11 patents, showcasing his significant contributions to the fields of display technology and photoconductive devices. His work has had a lasting impact on the industry, particularly in enhancing optical characteristics and device sensitivity.
Latest Patents
One of Kawamura's latest patents is a plasma display system. This invention features a plasma display panel that provides excellent optical characteristics, including color purity, contrast, and luminance. The design incorporates barrier ribs that form a cell with wavelength-selective reflective filters, which reflect only the light of the necessary wavelength for display while absorbing other wavelengths. Additionally, a color filter is inserted between the first front panel and the second front glass panel to enhance light output.
Another notable patent is for a photoconductive imaging apparatus. This device includes a photoconductive layer made of an amorphous semiconductor capable of charge multiplication. The invention utilizes the avalanche effect of the amorphous semiconductor layer to create a highly sensitive photoconductive device while maintaining low lag properties. The amorphous semiconductor layer can be composed mainly of tetrahedral elements, including hydrogen or halogens, which contributes to the device's thermal stability and high sensitivity.
Career Highlights
Kawamura has worked with several notable companies throughout his career, including Nippon Hoso Kyokai and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, leading to the successful patenting of his inventions.
Collaborations
Kawamura has collaborated with esteemed colleagues such as Yukio Takasaki and Tadaaki Hirai. Their combined expertise has contributed to the advancement of technology in their respective fields.
Conclusion
Tatsuro Kawamura's contributions to innovation in display technology and photoconductive devices are noteworthy. His patents reflect a deep understanding of optical characteristics and device functionality, making him a significant figure in the realm of invention.
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.