Company Filing History:
6 out of 2,899 
1 out of 163 
1 out of 15 
Years Active: 2007-2016
Title: Keiichiro Hayashi: Innovator in Semiconductor Technology
Introduction
Keiichiro Hayashi is a prominent inventor based in Chiba, Japan, known for his significant contributions to semiconductor technology. With a total of seven patents to his name, Hayashi has made remarkable advancements in the field, particularly in the design and functionality of semiconductor devices.
Latest Patents
One of Hayashi's latest patents is a semiconductor device that features a package with a hollow portion, addressing the need for reduced size and thickness. This innovative device includes a resin molded member with a hollow portion that has an inner bottom surface for mounting a semiconductor chip. It also comprises a surrounding portion and a bottom surface portion, along with inner and outer leads that are exposed from the resin molded member. Another notable patent is for an optical semiconductor device that utilizes phosphate-based glass doped with copper ions, which possesses infrared blocking filter characteristics. This glass is formed into particles and mixed with a transparent encapsulating resin to effectively encapsulate a semiconductor element. The design ensures stable filter characteristics even with varying incident light angles and offers resistance to moisture.
Career Highlights
Throughout his career, Keiichiro Hayashi has worked with esteemed companies such as Seiko Instruments Inc. and Sii Semiconductor Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Hayashi has collaborated with notable colleagues, including Hiroyuki Fujita and Sadao Oku, further enhancing his work in the semiconductor field.
Conclusion
Keiichiro Hayashi's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a leading inventor in this domain. His work continues to influence advancements in the industry, showcasing the importance of innovation in technology.