Company Filing History:
2 out of 2,004 
1 out of 450 Years Active: 2001-2010
Title: Tsutomu Ohara: Innovator in Liquid Crystal Display Technology
Introduction
Tsutomu Ohara is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 3 patents. His work has been instrumental in advancing display technology, particularly in addressing issues related to brightness uniformity.
Latest Patents
One of Ohara's latest patents is for a liquid crystal display device. The objective of this invention is to provide a liquid crystal display apparatus that can eliminate brightness nonuniformity by suitably diffusing light emitted from a light source. This innovative apparatus includes a liquid crystal panel that provides a liquid crystal between a pair of substrates. The panel has an effective display area for displaying information, and a sealing member is placed around the liquid crystal to seal it between the substrates. Additionally, a light source illuminates the liquid crystal panel from an edge, and light diffusing means are provided between the substrates to diffuse the light introduced from the light source into the effective display area.
Another significant patent by Ohara is a process for manufacturing semiconductor packages and circuit board assemblies. This process involves forming circuit substrates, mounting IC chips on these substrates, encapsulating the chips with resin, and forming electrodes. The semiconductor packages are then attached to a standard member and subjected to a cutting step where they are diced into multiple circuit substrates.
Career Highlights
Throughout his career, Tsutomu Ohara has worked with prominent companies, including Citizen Watch Company, Ltd. and Citizen Holdings Company, Ltd. His experience in these organizations has contributed to his expertise in the field of electronics and display technology.
Collaborations
Ohara has collaborated with notable individuals in his field, including Yoshihiro Ishida and Atsushi Omura. These collaborations have likely enriched his work and contributed to the advancements in the technologies he has developed.
Conclusion
Tsutomu Ohara's contributions to liquid crystal display technology and semiconductor manufacturing processes highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to solving complex problems in the field, making him a significant figure in the world of inventions.