Location History:
- Kamiitabashi, JP (1994)
- Yokohama, JP (2007)
- Kanagawa, JP (2008 - 2020)
- Tokyo, JP (1997 - 2024)
Company Filing History:
10 out of 28,544 
3 out of 223 
2 out of 16 
Years Active: 1994-2024
Title: Takeo Yamaguchi: A Pioneer in Innovative Patents
Introduction
Takeo Yamaguchi, based in Tokyo, Japan, is a distinguished inventor known for his significant contributions to the field of technology and materials science. With an impressive portfolio of 18 patents, Yamaguchi has established himself as a leading figure in the development of innovative solutions.
Latest Patents
Among his recent inventions, Yamaguchi's patent for a composite membrane stands out. This invention comprises a substrate that includes a microporous polyolefin membrane, designed to carry a hydrophilic resin compound within its pores. The specifications reveal that the average pore diameter ranges from 1 nm to 50 nm, while the porosity varies between 50% to 78%. Additionally, the membrane thickness is defined between 1 μm to 12 μm. Notably, when a mixed solution of ethanol and water (in a volume ratio of 1/2) is dripped onto the unmodified surface of the membrane, specific contact angles are observed, ensuring optimal performance characteristics in various applications. Furthermore, Yamaguchi has also developed a video game controller that showcases his versatility in addressing different technological needs.
Career Highlights
Throughout his career, Takeo Yamaguchi has worked with renowned companies, further enhancing his expertise and influence in the industry. Notably, he has been associated with Ricoh Company, Ltd. and Toyo Ink Manufacturing Company, where he collaborated on cutting-edge projects that bridged technology and innovation.
Collaborations
Yamaguchi has worked alongside talented professionals, including his coworkers Miki Kawashima and Toru Kurihashi. Their collaborative efforts have contributed to advancements in the inventions and patents he has developed, fostering innovation in their respective fields.
Conclusion
Takeo Yamaguchi’s relentless pursuit of innovation has resulted in a remarkable portfolio of patents that reflect his dedication to pushing the boundaries of technology. His groundbreaking work on composite membranes and video game controllers not only demonstrates his inventive spirit but also his significant impact on the industry. As he continues to innovate, Yamaguchi remains a key figure to watch in the evolving landscape of technology.
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.