Tokyo, Japan

Takeshi Yamaguchi

USPTO Granted Patents = 50 

 

Average Co-Inventor Count = 2.0

ph-index = 6

Forward Citations = 130(Granted Patents)

Forward Citations (Not Self Cited) = 127(Oct 12, 2025)


Location History:

  • Hiromachi, JP (1994 - 1995)
  • Ibaraki-ken, JP (2000 - 2002)
  • Ushiku, JP (2001 - 2003)
  • Minato-ku, JP (2013)
  • Hachioji, JP (2014 - 2022)
  • Tokyo, JP (1991 - 2023)

Company Filing History:


Years Active: 1991-2025

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50 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Takeshi Yamaguchi in the Field of Patents

Introduction

Takeshi Yamaguchi is a prolific inventor based in Tokyo, Japan, with an impressive portfolio of 47 patents to his name. His work spans various technological domains, showcasing his commitment to innovation and advancements in engineering. Yamaguchi’s inventions demonstrate a profound impact on fields ranging from imaging technology to materials manufacturing.

Latest Patents

Among Yamaguchi's latest innovations is the "Photographing Control Device, System, Method, and Non-Transitory Computer-Readable Medium Storing Program." This sophisticated device features multiple components, including a first acquiring unit that captures an initial image through facial authentication and a second acquiring unit that utilizes a wider angled perspective for improved authentication. This technology emphasizes enhanced accuracy in person identification through innovative image processing techniques.

Another noteworthy patent is the "Joined Metal Member and Manufacturing Method Therefor." This patent outlines a manufacturing method that effective integrates metal materials through a specific molding technique. By using an injection molding apparatus, the first metal member is prepared with special features, and a second metal member is seamlessly joined contributing to advancements in material engineering.

Career Highlights

Throughout his distinguished career, Takeshi Yamaguchi has had the opportunity to work with major companies in the industry, including Sankyo Company, Limited and Konica Minolta, Inc. His extensive experience in these organizations has significantly contributed to his development as an inventor and innovator.

Collaborations

Yamaguchi has collaborated with esteemed colleagues such as Hiroshi Fukumi and Toshiaki Sakamoto. These partnerships have fostered a fruitful environment for creativity and the exchange of ideas, which is vital in the realm of technological advancement.

Conclusion

Takeshi Yamaguchi exemplifies the spirit of innovation through his extensive work in patents and technology. With 47 patents to his name, his contributions continue to inspire and influence future inventions. His commitment to advancing technology and overcoming engineering challenges sets a remarkable example in the field of innovations.

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