Miki, Japan

Masami Yamanaka

This inventor holds 11 USPTO granted patents. Top assignees: Yamato Scale Company, Limited, Nihon Dempa Kogyo Co., Ltd.. Active years: 1977-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Yamanaka. Retrieved from https://idiyas.com/inventor/masami-yamanaka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 90.9

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 105(Granted Patents)


Location History:

  • Miki, JA (1977)
  • Miki, JP (1979 - 2001)
  • Akashi, JP (2005)

Company Filing History:


Years Active: 1977-2005

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11 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Masami Yamanaka

Introduction: Masami Yamanaka, an esteemed inventor based in Miki, Japan, has made significant contributions to the field of technology with a remarkable portfolio of 11 patents. His innovative spirit and dedication have paved the way for advancements in various applications, particularly in load sensing and body fat measurement devices.

Latest Patents: Among Yamanaka's latest inventions is a **load sensor utilizing a crystal resonator**. This invention involves excitation electrodes affixed to the central portions of an AT-cut crystal resonator, allowing it to initiate thickness shear oscillation when an electric signal is applied. Notably, the design incorporates symmetrically formed grooves—channel-shaped, half-circular, or trapezoidal—using advanced etching techniques, optimizing the device's functionality. Another noteworthy invention is the **body fat determining device**, a compact tool designed to easily determine body fat ratios. This device is ingeniously constructed with electrode pairs strategically located on both the surface and back face of a card body, facilitating impedance measurement to assess body fat.

Career Highlights: Masami Yamanaka has worked with revered companies, including Yamato Scale Company, Limited, and Yamata Scale Co., Ltd. His tenure in these organizations has allowed him to leverage his inventiveness and contribute to the development of specialized technologies.

Collaborations: Working alongside notable colleagues, including Shinichi Inoue and Shozo Kawanishi, Yamanaka has fostered a collaborative environment that encourages innovation and idea exchange. These partnerships have played a significant role in his success as an inventor.

Conclusion: Masami Yamanaka exemplifies the spirit of innovation through his groundbreaking inventions and contributions to technology. With a focus on practical applications, his work continues to inspire and pave the way for future advancements in the field. As he moves forward, the impact of his innovations is likely to resonate across various sectors, enhancing the quality of life through improved technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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