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For the Inventor, By the Inventor

Yokohama, Japan

Hiroyuki Ibe

This inventor holds 18 USPTO granted patents and 1 EPO patent. Top assignees: Kabushiki Kaisha Toshiba, Kokusai Denshin Denwa Co., Ltd.. Active years: 1987-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Ibe. Retrieved from https://idiyas.com/inventor/hiroyuki-ibe-e89522dz

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

USPTO Granted Patents = 18

% Patents Active = 94.4


Average Co-Inventor Count = 2.9

ph-index = 9

Forward Citations = 281(Granted Patents)


Location History:

  • Kanagawa, JP (1990 - 2005)
  • Yokohama, JP (1987 - 2013)

Company Filing History:

goldMedal18 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal1 out of 226 
 
Kokusai Denshin Denwa Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1987-2013

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18 patents (USPTO):Explore Patents
1. 8619551 - Protection path reservation method and node unit (2013-12-31),
2. 6950222 - Apparatus and method for optical modulation (2005-09-27),
3. 6778557 - Point-to-multipoint communication system (2004-08-17),
4. 6643046 - Apparatus and method for optical modulation (2003-11-04),
5. 6530087 - Cable network system with ingress noise suppressing function (2003-03-04),
6. 6230195 - Communication system, user apparatus, center apparatus, and terminal interface unit for use in communication system (2001-05-08),
7. 6160990 - Cable network system with ingress noise suppressing function (2000-12-12),
8. 5739943 - Polarization control unit (1998-04-14),
9. 5432602 - Light wavelength measuring apparatus with light modulation (1995-07-11),
10. 5390017 - Optical network analyzer for measuring the amplitude characteristics and (1995-02-14),
11. 5276439 - Digital signal exchange equipment (1994-01-04),
12. 5254851 - Wide-dynamic range light receiver (1993-10-19),
13. 5140618 - Frame synchronization circuit (1992-08-18),
14. 4977561 - Oscillation mode switching laser devices (1990-12-11),
15. 4899339 - Digital multiplexer (1990-02-06),

Title: Hiroyuki Ibe: Innovator in Optical Modulation and Network Protection

Introduction

Hiroyuki Ibe is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the fields of optical modulation and network protection. With a total of 18 patents to his name, Ibe's work has had a substantial impact on technology and telecommunications.

Latest Patents

Ibe's latest patents include a protection path reservation method and an apparatus and method for optical modulation. The protection path reservation method is designed to reserve protection paths to avoid node failures in a network composed of multiple nodes. This innovative approach involves assuming each node as an imaginary failure node and selecting neighboring nodes to reserve protection paths. The optical modulation patent features a phase modulator that drives light with an NRZI-coded drive signal for phase modulation, along with an intensity modulator that adjusts the intensity of the optical signal.

Career Highlights

Throughout his career, Hiroyuki Ibe has worked with notable companies such as Toshiba Corporation and Kokusai Denshin Denwa Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Ibe has collaborated with several professionals in his field, including Taro Shibagaki and Manish Sharma. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiroyuki Ibe's contributions to optical modulation and network protection demonstrate his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to improving telecommunications and network reliability.

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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