Issei Asabayashi

This inventor holds 7 USPTO granted patents. Top assignee: Oki Electric Industry Co., Ltd.. Active years: 1989-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Issei Asabayashi. Retrieved from https://idiyas.com/inventor/issei-asabayashi

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 127(Granted Patents)

Company Filing History:

7 out of 4,980

Oki Electric Industry Co., Ltd.

patents

Years Active: 1989-2001

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6229631 - Signal transmission system and method for supervising the same (2001-05-08),

2. 5388001 - Polarization-independent optical wavelength filter with simplified (1995-02-07),

3. 5163106 - Waveguide-type optical switch (1992-11-10),

4. 5123069 - Waveguide-type optical switch (1992-06-16),

5. 5048906 - Waveguide type photoswitch with a short coupling region (1991-09-17),

6. 4884858 - Distributed coupler switch (1989-12-05),

7. 4846542 - Optical switch matrix (1989-07-11),

Title: Issei Asabayashi: Innovator in Signal Transmission and Optical Technology

Introduction

Issei Asabayashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of signal transmission and optical technology. With a total of 7 patents to his name, Asabayashi continues to push the boundaries of innovation in his industry.

Latest Patents

Among his latest patents is a "Signal transmission system and method for supervising the same." This system includes an interface unit that monitors the operating condition of each device. It also features a simulator that simulates the transmission quality of the system in response to the operating condition of each device, optimizing the transmission quality accordingly. Another notable patent is the "Polarization-independent optical wavelength filter with simplified design." This filter utilizes a polarization splitter to divide an optical input signal into two signals with mutually perpendicular planes of polarization. The design allows for the selective processing of desired wavelengths, enhancing the efficiency of optical devices.

Career Highlights

Asabayashi is currently employed at Oki Electric Industry Co., Ltd., where he applies his expertise in developing advanced technologies. His work has been instrumental in improving communication systems and optical devices, making significant impacts in these fields.

Collaborations

He has collaborated with notable coworkers, including Hideaki Okayama and Hideaki Sato, contributing to various innovative projects and advancements in technology.

Conclusion

Issei Asabayashi's contributions to signal transmission and optical technology exemplify his dedication to innovation. His patents reflect a commitment to enhancing the efficiency and quality of 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]