Kanagawa, Japan

Masahisa Sakai

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Victor Company of Japan, Limited, Universidad Politécnica De Madrid. Active years: 2005-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahisa Sakai. Retrieved from https://idiyas.com/inventor/masahisa-sakai

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


% Patents Active = 66.7


Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 26(Granted Patents)


Location History:

  • Kanagawa, JP (2005)
  • Yokohama, JP (2008)
  • Kanagawa-ken, JP (2009)

Company Filing History:


Years Active: 2005-2009

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3 patents (USPTO):Explore Patents

Title: Masahisa Sakai: Innovator in Optical Technologies

Introduction

Masahisa Sakai is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical technologies, holding a total of 3 patents. His work focuses on enhancing communication systems through innovative designs and applications.

Latest Patents

One of Sakai's latest patents is a rotary joint designed to stably transmit superfine images and high-speed data. This rotary joint consists of a stationary part and a rotary part that rotates about an axis against the stationary part. It effectively transmits light signals between these two components. The rotary part includes at least one light transmissive cylindrical member arranged coaxially with the axis, along with a light emitting element and a light receiving element positioned at one end of the member. The stationary part features a light receiving element that opposes the light emitting element in the rotary part, as well as a light emitting element that opposes the light receiving element in the rotary part.

Another notable patent is an optical wireless communications system. This system comprises a first optical wireless communications apparatus that transmits a pilot beam and a second apparatus that receives the pilot beam. The goal is to align the optical axes of both apparatuses. The first apparatus includes a modulator for modulating the pilot beam with a specific signal, while the second apparatus has a demodulator for demodulating the transmitted pilot beam to reproduce the specific signal.

Career Highlights

Throughout his career, Masahisa Sakai has worked with notable organizations, including the Victor Company of Japan, Limited and Universidad Politécnica De Madrid. His experience in these institutions has allowed him to refine his skills and contribute to advancements in optical technology.

Collaborations

Sakai has collaborated with esteemed colleagues such as Kazutoshi Hirohashi and Junichi Kubota. These partnerships have fostered innovation and the exchange of ideas in the field of optical communications.

Conclusion

Masahisa Sakai's contributions to optical technologies through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for future advancements in communication 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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