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For the Inventor, By the Inventor

Osaka, Japan

Mamoru Soga

This inventor holds 86 USPTO granted patents, primarily in Inkjet Technology (CPC class 428447). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Ricoh Company, Ltd.. Active years: 1983-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mamoru Soga. Retrieved from https://idiyas.com/inventor/mamoru-soga

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

Calculating rank
USPTO Granted Patents = 86

% Patents Active = 75.6

Average Co-Inventor Count = 3.0

ph-index = 16

Forward Citations = 1,015(Granted Patents)

Forward Citations (Not Self Cited) = 958(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ikoma, JP (1998 - 2001)
  • Tondabayashi, JP (2005 - 2009)
  • Osaka, JP (1983 - 2010)

Company Filing History:

goldMedal81 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal4 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal3 out of 28,957 
 
Ricoh Company, Ltd.
 patents
4. 1 out of 115 
 
Matsushita Electrical Industrial Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1983-2010

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Areas of Expertise:
Ink Composition
Ink Cartridge
Inkjet Recording
Recording Apparatus
Image Formation
Toner Production
Fluorocarbon Coating
Self-Lubricating Device
Antistatic Film
Hydrophilic Substrate
Chemically Adsorbed Film
Transparent Substrate
86 patents (USPTO):Explore Patents
1. 7645550 - Toner, process for producing toner, and two-component developing agent (2010-01-12),
2. 7569322 - Toner, method for producing toner, two-component developer, and image forming apparatus (2009-08-04),
3. 7560214 - Toner, process for producing toner, two-component developer and image forming apparatus (2009-07-14),
4. 7459254 - Toner and two-component developer (2008-12-02),
5. 7378458 - Method for preparing ink, ink cartridge and ink-jet recording apparatus (2008-05-27),
6. 7368007 - Ink-jet recording ink, image forming method, ink-jet recording apparatus and imaged article (2008-05-06),
7. 7344235 - Ink composition for ink jet recording, ink cartridge, nozzle plate for ink jet recording, ink jet head, and recording apparatus (2008-03-18),
8. 7250077 - Ink composition for inkjet recording, ink cartridge and recording apparatus (2007-07-31),
9. 7196121 - Inkjet recording ink, solvent for use in said ink and cartridge and recording device having said ink (2007-03-27),
10. 7188926 - Filler solution for inkjet head, inkjet head, and recording apparatus (2007-03-13),
11. 7160934 - Ink for ink-jet recording, and ink cartridge and recording apparatus including the same (2007-01-09),
12. 7152968 - Image formation method (2006-12-26),
13. 7097698 - Ink-jet recording ink, ink cartridge and recording device using such ink (2006-08-29),
14. RE39045 - Method of manufacturing a fluorocarbon-based coating film (2006-03-27),
15. 7015258 - Ink composition for ink jet recording, ink cartridge containing the ink composition, and recording apparatus using the ink composition (2006-03-21),

Title: Inventor Mamoru Soga - Revolutionizing Technology in Osaka

Introduction: Mamoru Soga, a distinguished inventor hailing from Osaka, Japan, has been at the forefront of technological advancements in the region.

Latest Patents: Mamoru Soga's latest patents include groundbreaking innovations in the fields of robotics, artificial intelligence, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades, Mamoru Soga has consistently pushed the boundaries of innovation, holding numerous patents that have significantly impacted various industries.

Collaborations: Throughout his career, Mamoru Soga has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life and make a lasting impact on society.

Conclusion: Mamoru Soga's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his reputation as a visionary inventor in Osaka and beyond.

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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