Location History:
- Tan Shui Town, Taipei County, TW (1995)
- Tan-Shui Town, TW (1996 - 2002)
- Tan-Shui Town, Taipei, TW (2003)
- Chiai, TW (2005 - 2009)
- Chiayi, TW (2011 - 2013)
- Yunlin County, TW (2016)
- Huwei Township, TW (2016)
- Tainan, TW (2017 - 2020)
- Taipei, TW (2003 - 2024)
- Hsinchu, TW (2020 - 2024)
- Kaohsiung, TW (2021 - 2024)
Company Filing History:
18 out of 40,635 
7 out of 19 
6 out of 9 
Years Active: 1995-2025
Title: Innovations of Yu-Kai Chen: Pioneering Patents from Taipei
Introduction
Yu-Kai Chen, a prominent inventor based in Taipei, Taiwan, holds an impressive portfolio of 48 patents. His contributions to the field of semiconductor technology and agricultural technology showcase his innovative prowess and emphasize the critical role of patents in safeguarding intellectual property.
Latest Patents
Among Yu-Kai Chen's latest patents is a method of forming contact metal in semiconductor devices. This patent details a semiconductor device that includes a source/drain feature situated over a substrate, layered with a dielectric material. It elaborates on the formation of a contact trench through the dielectric layer to expose the source/drain feature, followed by the deposition of a titanium nitride (TiN) layer and a cobalt layer within the trench.
Another notable patent involves a switch mode power supply circuit with high voltage output, including an electrostatic spray apparatus and an agricultural plant protection apparatus. This innovation integrates a power supply circuit that simplifies control by connecting a pre-stage power converter and a post-stage power converter in series, omitting the pre-stage converter’s switch. This design allows for miniaturization of the transformer, making it exceptionally suitable for agricultural applications.
Career Highlights
Yu-Kai Chen has made significant strides in his career by working with well-known companies in the tech industry, including Taiwan Semiconductor Manufacturing Company Limited and Protai Photonic Company Limited. His expertise in semiconductor applications and technology has been instrumental in the advancements his teams have achieved.
Collaborations
Throughout his career, Chen has collaborated with esteemed colleagues such as Chin-Hsiung Chang and Jyh-Cherng Yang. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Yu-Kai Chen's innovative patents and collaborations underline his impact on the semiconductor and agricultural technology sectors. His work not only advances technology but also exemplifies the importance of intellectual property in fostering a spirit of invention and development. His contributions continue to inspire emerging inventors and solidify his legacy within the field.
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.