Location History:
- Tsukuba, JP (1997 - 2015)
- Ibaraki, JP (2004 - 2015)
Company Filing History:
9 out of 1,710 
7 out of 1,309 
4 out of 713 
Years Active: 1997-2015
Title: Hiroshi Yokoyama: Innovator of Metal Nanoparticle Technologies
Introduction
Hiroshi Yokoyama is a prominent inventor based in Tsukuba, Japan, known for his significant contributions to the fields of materials science and display technology. With a remarkable portfolio of 23 patents, his work primarily focuses on innovations in metal nanoparticle dispersions and liquid crystal display devices.
Latest Patents
Yokoyama's latest patents include groundbreaking inventions in fields that blend nano-technology and electronic display. One notable patent discusses a "Metal nanoparticle dispersion usable for ejection in the form of fine droplets to be applied in the layered shape." This invention presents a method of preparing a dispersion of metal nanoparticles—measuring between 1 to 100 nm—within a solvent that has a boiling point of 80°C or higher. The fluid's viscosity adheres to a specific range that allows for effective multi-layered coating via inkjet methods, enhancing the performance and usability of coated materials.
Another significant patent focuses on a "Liquid crystal display device," which boasts high resolution and a wide viewing angle while maintaining low power consumption. This display utilizes nematic liquid crystals combined with specially treated alignment layers that allow the device to exhibit both memory effects and optimal viewing characteristics.
Career Highlights
Hiroshi Yokoyama has been affiliated with notable research institutions such as the National Institute of Advanced Industrial Science and Technology and the Japan Science and Technology Agency. His work in these institutions has been instrumental in pushing the boundaries of research and development in nano-materials and display technologies.
Collaborations
Throughout his career, Yokoyama has collaborated with distinguished colleagues, including Kazuhiro Murata and Yasuo Nishi. Their collective expertise has contributed to advancements in their respective fields and facilitated innovative developments that have made a significant impact on technology.
Conclusion
In summary, Hiroshi Yokoyama stands out as a noteworthy inventor in the realm of innovations in nano-technology and display devices. His 23 patents reflect a commitment to enhancing material capabilities and electronic displays, fostering advancements that benefit both industries and consumers alike.
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.