logo

For the Inventor, By the Inventor

Tokyo, Japan

Masashige Ishizaka

This inventor holds 29 USPTO granted patents and 2 EPO patents, primarily in Optical Communication. Top assignees: Nec Corporation, Fujitsu Corporation, National Institute of Advanced Industrial Science and Technology. Active years: 1997-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashige Ishizaka. Retrieved from https://idiyas.com/inventor/masashige-ishizaka

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

USPTO Granted Patents = 29

% Patents Active = 72.4

 

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 158(Granted Patents)


Location History:

  • Tokyo, JP (1997 - 2018)
  • Minato, JP (2018)

Company Filing History:

goldMedal29 out of 36,684 
 
Nec Corporation
 patents
silverMedal10 out of 39,374 
 
Fujitsu Corporation
 patents
bronzeMedal1 out of 1,765 
 
National Institute of Advanced Industrial Science and Technology
 patents
4. 1 out of 1,356 
 
The University of Tokyo
 patents
where one patent can have more than one assignee

Years Active: 1997-2018

Loading Chart...
Loading Chart...
Areas of Expertise:
Optical Modulator
Optical Transceiver
Waveguide
Light Source
Spot Size Converter
Optical Device
Electroabsorption Modulator
Mach-Zehnder Modulator
Optical Communication Module
Integrated Optical Circuit
Phase Modulation System
Optical Interposer
29 patents (USPTO):Explore Patents
1. 9964704 - Spot size converter, light source, optical transmitter, optical receiver and optical transmitter-receiver (2018-05-08),
2. 9904011 - Optical waveguide, optical interposer and light source (2018-02-27),
3. 9871347 - Semiconductor light emitting device and optical transceiver (2018-01-16),
4. 9729246 - Manufacturing method for a phase modulation system with ultraviolet discharge of accumulated charges (2017-08-08),
5. 9664981 - Integrated light source and light output control method (2017-05-30),
6. 9628190 - Optical transmitter and optical communication device (2017-04-18),
7. 9612411 - Semiconductor optical waveguide device with an anti-reflection diffraction grating formed on both lateral sides of a core layer along a direction of optical propagation (2017-04-04),
8. 9429706 - Optical waveguide coupler and method for manufacturing same (2016-08-30),
9. 9297956 - Optical device, optical transmitter, optical receiver, optical transceiver, and method of manufacturing optical device (2016-03-29),
10. 9235000 - Optical semiconductor apparatus (2016-01-12),
11. 9195001 - Spot size converter, optical transmitter, optical receiver, optical transceiver, and method of manufacturing spot size converter (2015-11-24),
12. 9151894 - Light source circuit and light source device equipped with same (2015-10-06),
13. 9151892 - Spot size converter and method for making the same (2015-10-06),
14. 9130352 - Optical semiconductor device, light emitting device, optical transmitting device, and method of manufacturing optical semiconductor device (2015-09-08),
15. 9128240 - Spot-size converter, manufacturing method thereof, and integrated optical circuit device (2015-09-08),

Title: Masashige Ishizaka - Innovative Inventor from Tokyo

Introduction: Masashige Ishizaka is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masashige Ishizaka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the industry, Masashige Ishizaka has worked with leading tech companies in Japan, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Masashige Ishizaka has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing in the tech community.

Conclusion: Masashige Ishizaka's passion for pushing the boundaries of what is possible in the world of technology continues to inspire the next generation of inventors and innovators worldwide.

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…