Company Filing History:
Years Active: 1997-1998
Title: The Innovations of Koji Umeno
Introduction
Koji Umeno is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of printing technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and quality of inkjet printing and image reading devices.
Latest Patents
Umeno's latest patents include an innovative ink jet printing apparatus. This apparatus utilizes different voltages applied to an ink ejecting device, which consists of an ink chamber and a nozzle. The ink ejecting driver reduces the volume of the ink chamber to eject ink through the nozzle. A controller connects to an image data generator, allowing for precise control of the ink ejecting driver based on image data indicative of various densities. This technology enables high-speed printing of images with gradation, ensuring accuracy and clarity with a simplified construction.
Another significant patent is for an image reading device. This device features a photoelectric conversion array with numerous elements arranged in a first direction. It includes a scanner that scans these elements, offering two scanning modes. The first mode scans elements of multiple primary regions in parallel, while the second mode scans elements of secondary regions within a primary region. A switch allows for seamless transitions between these modes, enhancing the device's versatility.
Career Highlights
Koji Umeno is associated with Mita Industrial Co., Ltd., where he has contributed to various projects and innovations. His expertise in inkjet technology has positioned him as a key figure in the industry.
Collaborations
Umeno has worked alongside talented colleagues such as Eiichi Tone and Yuki Ito. Their collaborative efforts have further advanced the development of innovative technologies in their field.
Conclusion
Koji Umeno's contributions to inkjet printing and image reading technology demonstrate his commitment to innovation. His patents reflect a deep understanding of the complexities involved in these technologies, paving the way for future advancements.