Location History:
- Kyoto-fu, JP (2004)
- Soraku-gun, JP (2005)
- Souraku-gun, JP (2001 - 2006)
- Kizugawa, JP (2011)
- Kyoto, JP (2003 - 2012)
- Osaka, JP (2012 - 2017)
- Sakai, JP (2019 - 2023)
Company Filing History:
42 out of 25,561 
1 out of 2 
2 out of 832,891 Years Active: 2001-2023
Areas of Expertise:
Title: Yoshimasa Chikama: Innovator in Liquid Crystal Display Technology
Introduction
Yoshimasa Chikama, based in Osaka, Japan, is an accomplished inventor with an impressive portfolio of 45 patents. His work primarily focuses on advancements in liquid crystal display (LCD) technology, contributing significantly to the field with innovative inventions that enhance display functionality and manufacturing processes.
Latest Patents
Among his latest patents are notable inventions such as the “Liquid Crystal Display Device and Method for Manufacturing Same.” This patent includes a detailed design for a first substrate of a liquid crystal display, integrating features like gate wiring lines, source wiring lines, and thin-film transistors (TFTs) in each pixel. The pixel electrode is crafted from a transparent conductive material, set above a reflective electrode that enhances the display's overall efficiency.
Another important patent is the “Active Matrix Substrate and Method for Manufacturing Same.” This invention describes an active matrix substrate that utilizes two types of TFTs, each designed with oxide semiconductor layers. This system allows for tailored performance based on a unique layered structure that maximizes electron mobility, a crucial aspect in enhancing the efficiency of displays.
Career Highlights
Yoshimasa Chikama has made significant contributions while working at leading companies in the industry, including Sharp Kabushiki Kaisha Corporation. His ongoing innovations have played a vital role in developing cutting-edge technologies used in modern electronic devices. His expertise and vision continue to shape the landscape of display technology.
Collaborations
Chikama has worked alongside prominent colleagues such as Yoshihiro Izumi and Okifumi Nakagawa. These collaborations have facilitated the exchange of groundbreaking ideas and have led to remarkable developments in the realm of LCD technology. Their collective efforts bring together diverse expertise, enhancing the innovation processes within the industry.
Conclusion
Yoshimasa Chikama stands out as a notable figure in the field of liquid crystal display technology. With his rich history of patent filings and his collaborative spirit, Chikama's contributions are instrumental in advancing display technologies, showcasing the importance of innovation and teamwork in the world of inventions. His work not only reflects his personal dedication but also the ever-evolving landscape of technological advancements.