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For the Inventor, By the Inventor

Kawasaki, Japan

Hiroshi Iizuka

This inventor holds 11 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 2005-2017.

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

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

USPTO Granted Patents = 11

% Patents Active = 18.2

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Kawasaki, JP (2005 - 2017)
  • Kasawaki, JP (2015 - 2017)

Company Filing History:

goldMedal11 out of 39,374 
 
Fujitsu Corporation
 patents

Years Active: 2005-2017

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11 patents (USPTO):Explore Patents
1. 9571201 - Transmission apparatus, line card and control method of transmission apparatus (2017-02-14),
2. 9541972 - Monitoring control device, monitoring control method, and recording medium (2017-01-10),
3. 9379822 - Optical receiving apparatus (2016-06-28),
4. 9191119 - Optical transmission apparatus and optical transmission method (2015-11-17),
5. 9071354 - Optical receiving apparatus and characteristic compensation method (2015-06-30),
6. 8559815 - Optical transmission apparatus and fault detection method (2013-10-15),
7. 8548321 - Optical transmission apparatus (2013-10-01),
8. 7612936 - Optical amplifying apparatus for wavelength division multiplexed signals (2009-11-03),
9. 7394590 - Control device and control method of optical amplifier (2008-07-01),
10. 7202997 - Optical amplifier and optical amplifier control method (2007-04-10),
11. 6977770 - Optical amplifier and control method therefor (2005-12-20),

Title: Innovations of Hiroshi Iizuka

Introduction

Hiroshi Iizuka is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of technology, particularly in the area of transmission apparatus and monitoring control devices. With a total of 11 patents to his name, Iizuka's work has had a considerable impact on the industry.

Latest Patents

Iizuka's latest patents include a transmission apparatus that features a module for receiving and transmitting data externally. This apparatus processes data through a framer and utilizes a controller to optimize transmission settings based on environmental conditions. Another notable patent is for a monitoring control device that includes a card control unit designed to manage line cards. This device detects module mounting, collects environmental data, and estimates temperature changes upon activation.

Career Highlights

Hiroshi Iizuka has dedicated his career to advancing technology at Fujitsu Corporation. His innovative designs and solutions have contributed to the efficiency and reliability of communication systems. His expertise in transmission technology has positioned him as a key figure in his field.

Collaborations

Iizuka has collaborated with talented coworkers such as Hiroyuki Itou and Kosuke Komaki. Together, they have worked on various projects that enhance the functionality and performance of communication devices.

Conclusion

Hiroshi Iizuka's contributions to technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of communication systems and demonstrates the importance of innovation in the industry.

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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