Location History:
- Kosai, JP (1989 - 1990)
- Ohmuta, JP (1998)
- Ibarakishi, JP (1999)
- Kitakyushu, JP (2000)
- Ibaraki, JP (1992 - 2003)
- Kitakyishu, JP (2005 - 2006)
- Fukuoka, JP (1998 - 2008)
- Minato-ku, JP (2010)
- Omuta, JP (2011 - 2012)
Company Filing History:
13 out of 27,375 
5 out of 2,346 
4 out of 1,786 Years Active: 1989-2012
Title: Inventor Takashi Yamaguchi: Innovations in Noncontact Technology and High-Purity Materials
Introduction
Takashi Yamaguchi is a prominent inventor based in Fukuoka, Japan, known for his contributions across various technological fields. With a remarkable portfolio of 18 patents, Yamaguchi has made significant strides in the areas of noncontact recording medium devices and high-purity quartz production.
Latest Patents
Among his latest inventions is a groundbreaking noncontact IC card reader/writer. The objective of this invention is to create a device that integrates an antenna without the limitations of installation locations or the need for frequency adjustments. This reader/writer is designed to be convenient for installation, compact, and cost-effective. It employs a loop antenna that facilitates electromagnetic induction for powering and data transmission to a noncontact IC card while also receiving data through load fluctuation. The design includes a magnetic component aligned closely with the loop antenna, alongside first and second metallic plates to enhance performance.
Yamaguchi's other recent patent focuses on the production of high-purity quartz powder and glass molding techniques. This innovation seeks to produce quartz powder with exceptional purity and quality, significantly reducing bubble inclusions in the final glass product. The preferred method for obtaining this synthetic quartz powder is the sol-gel process, which generates minimal gases upon heating, demonstrating advanced control over the production process.
Career Highlights
Throughout his career, Yamaguchi has been associated with respected companies in the technology and chemical sectors, including Matsushita Electric Industrial Co., Ltd. and Mitsubishi Chemical Corporation. His work has not only led to numerous patents but has also influenced the products and technologies developed by these leading firms.
Collaborations
Yamaguchi has collaborated with notable colleagues, including Yoshio Katsuro and Hiroshi Yasuda. These partnerships have likely contributed to the innovative processes and advanced technologies he is known for today.
Conclusion
Takashi Yamaguchi's contributions to the fields of noncontact technology and high-purity materials are noteworthy. With 18 patents to his name, his innovative spirit and collaborative efforts continue to pave the way for advancements in technology and material science. His work reflects the importance of innovation in driving progress across various industrial domains.
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.