Location History:
- Tenri-shi, Nara-ken, JP (1990)
- Nara, JP (1993)
- Tenri, JP (1988 - 1994)
- Okayama, JP (1994)
Company Filing History:
12 out of 25,530 
1 out of 832,680 Years Active: 1988-1994
Title: Takuo Yamashita: Innovator in Vapor Deposition and Electroluminescent Devices
Introduction
Takuo Yamashita is a prominent inventor based in Tenri, Japan. He has made significant contributions to the fields of vapor deposition and organic electroluminescent devices. With a total of 13 patents to his name, Yamashita's work has had a lasting impact on technology and innovation.
Latest Patents
Yamashita's latest patents include a vapor deposition apparatus designed for using solid starting materials. This innovative apparatus allows for the deposition of thin films on substrates while minimizing the effects of gas convection. By orienting the main reaction tube vertically and venting the carrier gas from the bottom, the apparatus achieves uniform film thickness and impurity concentration across the substrate surface. Another notable patent is for an organic electroluminescent device that produces white luminescence. This device features a pair of opposite electrodes, at least one of which is transparent, along with a hole transport layer and a luminescent layer. The specific materials used in these layers contribute to the device's efficiency and performance.
Career Highlights
Throughout his career, Takuo Yamashita has worked with notable companies, including Sharp Kabushiki Kaisha Corporation. His expertise in the field has led to numerous advancements in technology, particularly in the development of devices that enhance performance and efficiency.
Collaborations
Yamashita has collaborated with esteemed colleagues such as Hiroaki Nakaya and Masaru Yoshida. These partnerships have fostered innovation and contributed to the success of various projects.
Conclusion
Takuo Yamashita's contributions to vapor deposition and organic electroluminescent devices highlight his role as a leading inventor in his field. His innovative patents and collaborations have paved the way for advancements in technology, making a significant impact on the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.