Tokyo, Japan

Takayasu Shishido

This inventor holds 5 USPTO granted patents. Top assignees: Asahi Seimitsu Kabushiki Kaisha, Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1992-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayasu Shishido. Retrieved from https://idiyas.com/inventor/takayasu-shishido

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Tokyo, JP (1992 - 2000)
  • Saitama, JP (2000)

Company Filing History:


Years Active: 1992-2000

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5 patents (USPTO):Explore Patents

Title: Takayasu Shishido: Innovator in Optical Technology

Introduction

Takayasu Shishido is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of five patents. His innovative designs have advanced the functionality and efficiency of various optical devices.

Latest Patents

One of Shishido's latest patents is the "Mount Shift Apparatus of Lens for CCTV Camera." This invention features a mount frame equipped with a threaded portion that can be screw-engaged by a camera body mount. It includes a lens frame that supports a photographing lens group, allowing for movement relative to the mount frame in a direction perpendicular to the optical axis. Additionally, a mount shift device is incorporated to adjust the lens frame's position accordingly. Another notable patent is the "ND Filter," which involves a concentric ND filter design. This design consists of multi-layered circular ND filter elements that decrease in diameter stepwise, arranged on a transparent substrate. The surrounding space is filled with a transparent adhesive, enhancing the filter's performance.

Career Highlights

Throughout his career, Takayasu Shishido has worked with notable companies, including Asahi Seimitsu and Asahi Kogaku. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking optical technologies.

Collaborations

Shishido has collaborated with esteemed colleagues such as Eijiroh Tada and Masakazu Yamagata. Their combined expertise has fostered innovation and development in the optical field.

Conclusion

Takayasu Shishido's contributions to optical technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in optical devices and systems.

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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