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For the Inventor, By the Inventor

Kawasaki, Japan

Masaji Noguchi

This inventor holds 12 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 2007-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaji Noguchi. Retrieved from https://idiyas.com/inventor/masaji-noguchi

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 16.7

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Yokohama, JP (2007 - 2008)
  • Kawasaki, JP (2008 - 2012)

Company Filing History:

goldMedal12 out of 39,381 
 
Fujitsu Corporation
 patents

Years Active: 2007-2012

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12 patents (USPTO):Explore Patents
1. 8274733 - Semiconductor optical amplification module, optical matrix switching device, and drive circuit (2012-09-25),
2. 8179593 - Optical-switch drive circuit and method thereof (2012-05-15),
3. 8139903 - Driving circuit of optical gate switch (2012-03-20),
4. 8107813 - Drive circuit and optical switch (2012-01-31),
5. 7898341 - Non-inverting amplifier circuit and optical switch driver circuit (2011-03-01),
6. 7848600 - Driving circuit of optical gate switch (2010-12-07),
7. 7791793 - Semiconductor optical amplifier gate switch drive circuit, semiconductor optical amplifier gate switching device, and optical cross connect (2010-09-07),
8. 7561810 - Optical communication apparatus (2009-07-14),
9. 7405858 - Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal (2008-07-29),
10. 7349632 - Method of wavelength selection control and wavelength variable filter device (2008-03-25),
11. 7187814 - Optical add/drop device (2007-03-06),
12. 7181094 - Apparatus for controlling acousto-optic tunable filter and method of selecting wavelength (2007-02-20),

Title: Masaji Noguchi: Innovator in Semiconductor Technology

Introduction

Masaji Noguchi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on enhancing the performance and efficiency of optical devices.

Latest Patents

Among his latest patents are several groundbreaking inventions. One of these is the semiconductor optical amplification module, which is designed to suppress ringing without increasing power consumption or circuit size, while also maintaining high-speed operation. This module utilizes a semiconductor optical amplifier that outputs an optical signal based on the driving current from a drive circuit. A diode connected in parallel with the amplifier allows for the suppression of ringing without the need for a large resistor in the drive circuit. Another notable patent is the optical-switch drive circuit and method, which includes a driver unit that generates an on/off signal for driving a semiconductor optical amplifier gate switch. This circuit features a buffer unit with high input impedance, ensuring efficient operation.

Career Highlights

Masaji Noguchi is currently employed at Fujitsu Corporation, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing optical communication systems and enhancing their reliability and performance.

Collaborations

He has collaborated with notable colleagues, including Yutaka Kai and Tomohiro Ueno, contributing to various projects that push the boundaries of semiconductor technology.

Conclusion

Masaji Noguchi's contributions to semiconductor technology are significant and impactful. His innovative patents reflect his dedication to improving optical devices and systems. His work continues to influence the industry and inspire future advancements.

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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