logo

For the Inventor, By the Inventor

Tsukuba, Japan

Hiroshi Hidaka

This inventor holds 7 USPTO granted patents. Top assignee: Fujikura Limited. Active years: 1990-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Hidaka. Retrieved from https://idiyas.com/inventor/hiroshi-hidaka-m5kvoeva

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 6.4

ph-index = 6

Forward Citations = 73(Granted Patents)


Location History:

  • Tsukuba, JP (1990 - 1993)
  • Yotsukaidoh, JP (1999)
  • Yotsukaido, JP (1999 - 2002)

Company Filing History:

goldMedal7 out of 1,875 
 
Fujikura Limited
 patents

Years Active: 1990-2002

Loading Chart...
7 patents (USPTO):Explore Patents
1. 6463195 - Method of manufacturing polarization-maintaining optical fiber coupler (2002-10-08),
2. 5949934 - Optical waveguide grating and production method therefor (1999-09-07),
3. 5930437 - Optical filter with planar optical waveguide having periodically varied (1999-07-27),
4. 5196399 - Apparatus for producing oxide superconductor cable (1993-03-23),
5. 5093311 - Oxide superconductor cable and method of producing the same (1992-03-03),
6. 5057484 - Single crystal oxide superconductor and method of producing the same (1991-10-15),
7. 4970197 - Oxide superconductor (1990-11-13),

Title: Hiroshi Hidaka: Innovator in Optical Technologies

Introduction

Hiroshi Hidaka is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of optical technologies, holding a total of 7 patents. His work focuses on enhancing the performance and reliability of optical components, which are crucial in various applications.

Latest Patents

Hidaka's latest patents include a method of manufacturing polarization-maintaining optical fiber couplers. This innovative method involves heating and elongating two polarization-maintaining optical fibers to create a fused-elongated section. The process ensures that the coupling ratio of polarized waves is optimized, providing a coupler with a strong dependency on polarization and a short elongation length. Another notable patent is for an optical waveguide grating with radiative mode-coupling properties. This grating is designed for exceptional stability and reliability, utilizing silica glass doped with germanium and boron. The design allows for a narrowed rejection bandwidth without increasing the grating length, enhancing the performance of optical communication systems.

Career Highlights

Hiroshi Hidaka is currently employed at Fujikura Limited, a company known for its advancements in optical technologies. His work at Fujikura has positioned him as a key player in the development of innovative optical components. His contributions have not only advanced the company's portfolio but have also impacted the broader field of optical engineering.

Collaborations

Hidaka has collaborated with notable colleagues such as Takao Shiota and Koichi Takahashi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of optical technologies.

Conclusion

Hiroshi Hidaka's contributions to optical technologies through his patents and work at Fujikura Limited highlight his role as a leading inventor in this field. His innovative methods and designs continue to influence the development of advanced optical components.

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]
Loading…