Toyama, Japan

Masayoshi Ishikawa

This inventor holds 5 USPTO granted patents. Top assignees: Yoshida Kogyo K.k., Ykk Corporation, Ykk Corporation of America. Active years: 1991-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Ishikawa. Retrieved from https://idiyas.com/inventor/masayoshi-ishikawa-2r473q1c

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

Calculating rank

% Patents Active = 80.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 44(Granted Patents)


Location History:

  • Toyama, JP (1991 - 1993)
  • Kurobe, JP (2002 - 2003)

Company Filing History:


Years Active: 1991-2003

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5 patents (USPTO):Explore Patents

Title: Masayoshi Ishikawa: Innovator in Glazing Panel Wall Systems

Introduction

Masayoshi Ishikawa is a notable inventor based in Toyama, Japan. He has made significant contributions to the field of construction and building materials, particularly through his innovative patents. With a total of 5 patents, Ishikawa has focused on enhancing the efficiency and effectiveness of building structures.

Latest Patents

Ishikawa's latest patents include a unique wall structure for buildings. This design reduces the depth of an inner batten while effectively covering indoor spaces with a cover member. The innovation allows for the omission of the cover member in areas where it is not visible, thus reducing production costs. Additionally, it facilitates easy cutoff treatment before attaching the cover member, ensuring stable performance by allowing for checks on the sealing material's coating condition.

Another significant patent is his glazing panel wall system, which features unique glazing clips. These clips hold the glazing panels and frame member face covers securely in place. The system includes interconnected frame members designed to contain glazing panels and engage the clips, providing a convenient and time-saving method for constructing glazing panel walls.

Career Highlights

Throughout his career, Ishikawa has worked with reputable companies such as Yoshida Kogyo K.K. and YKK Corporation. His experience in these organizations has contributed to his expertise in developing innovative building solutions.

Collaborations

Ishikawa has collaborated with notable coworkers, including Masami Takemura and Tsutomu Takahashi. Their combined efforts have likely fostered a creative environment that encourages innovation in their respective fields.

Conclusion

Masayoshi Ishikawa's contributions to the construction industry through his patents demonstrate his commitment to innovation and efficiency. His work continues to influence building practices and materials, showcasing the importance of inventive thinking in modern construction.

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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