Location History:
- Ebina, JP (1997 - 2007)
- Kanagawa, JP (2009)
Company Filing History:
Years Active: 1997-2009
Title: Kohzo Hara: Innovator in Inkjet Technology
Introduction
Kohzo Hara is a prominent inventor based in Ebina, Japan. He has made significant contributions to the field of inkjet technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of inkjet devices, which are widely used in various printing applications.
Latest Patents
Hara's latest patents include an innovative inkjet recording device. This device features droplet ejection heads that can eject ink liquids of multiple colors along with a reaction liquid onto a recording medium. The preparation section of the device prepares dot data that represents the ejection amounts of the ink and reaction liquids based on the gradation values of each pixel in an image. This ensures that the ejection amounts of certain high-visibility ink colors are represented with a predetermined number of bits, while the remaining colors and reaction liquid are represented with fewer bits. Additionally, the control section manages the ejection process based on the prepared dot data.
Another notable patent is the inkjet head inspection device. This device inspects inkjet heads that consist of multiple nozzles, ink reservoirs, and piezoelectric elements. The inspection device includes a differential amplifier section that amplifies the differential voltage between the electrodes of the piezoelectric elements corresponding to two nozzles. It also features a decision section that determines whether a malfunction occurs in the inspected nozzles based on the differential voltage.
Career Highlights
Kohzo Hara is currently employed at Fuji Xerox Co., Ltd., where he continues to innovate in the field of inkjet technology. His work has significantly impacted the efficiency and reliability of inkjet printing systems.
Collaborations
Hara has collaborated with notable colleagues such as Yoshihisa Ueda and Koji Ikegami. Their combined expertise has contributed to advancements in inkjet technology and the development of new devices.
Conclusion
Kohzo Hara is a key figure in the advancement of inkjet technology, with several patents that enhance the functionality of inkjet devices. His contributions continue to shape the future of printing technology.