This inventor holds 15 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Hitachi Displays, Ltd., Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 2005-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Mobara, JP (2005)
- Chousei, JP (2011)
- Chosei, JP (2009 - 2018)
Company Filing History:
8 out of 1,207 
6 out of 5,795 
2 out of 1,238 
Years Active: 2005-2018
Title: Innovations of Katsuhiko Ishii
Introduction
Katsuhiko Ishii is a prominent inventor based in Chosei, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 15 patents. His work has been instrumental in advancing display technologies that are widely used today.
Latest Patents
One of Ishii's latest patents involves a liquid crystal display device that features a TFT substrate and a counter substrate bonded together by a sealing material. This innovative design includes a liquid crystal sandwiched between the substrates, enhancing the display's performance. Additionally, a front window with a black border print is bonded to the liquid crystal display panel using a UV curable resin. The liquid crystal is filled using a drop method, and the thickness of the substrates is reduced to approximately 0.2 mm through polishing. This design prevents deformation of the counter substrate during the curing process, thereby avoiding yellow discoloration in the display area.
Career Highlights
Throughout his career, Katsuhiko Ishii has worked with notable companies such as Hitachi Displays, Ltd. and Japan Display Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in display technology.
Collaborations
Ishii has collaborated with esteemed colleagues, including Setsuo Kobayashi and Hiroaki Miwa. Their combined expertise has fostered advancements in the field of liquid crystal displays.
Conclusion
Katsuhiko Ishii's contributions to liquid crystal display technology have made a lasting impact on the industry. His innovative patents and collaborations with leading professionals highlight his dedication to advancing display technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile