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For the Inventor, By the Inventor

Nisshin, Japan

Wataru Yamaguchi

This inventor holds 27 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Image Forming Apparatus. Top assignees: Brother Kogyo Kabushiki-Kaisha, Murata Manufacturing Co., Ltd., National Institute of Advanced Industrial Science and Technology. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wataru Yamaguchi. Retrieved from https://idiyas.com/inventor/wataru-yamaguchi

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

USPTO Granted Patents = 27 

% Patents Active = 85.2


Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 46(Granted Patents)


Location History:

  • Nissin, JP (2014 - 2015)
  • Nagoya, JP (2012 - 2023)
  • Nisshin, JP (2015 - 2023)

Company Filing History:

goldMedal25 out of 17,897 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal2 out of 13,796 
 
Murata Manufacturing Co., Ltd.
 patents
bronzeMedal2 out of 1,766 
 
National Institute of Advanced Industrial Science and Technology
 patents
where one patent can have more than one assignee

Years Active: 2012-2026

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Areas of Expertise:
Image Forming Apparatus
Movable Joint Cam
Magnetic Powder
Sintered Magnet
Developing Cartridge
Belt Unit
Gear Train
Sensor Detection
Positioning Mechanism
Drive Roller
Skew Correction
27 patents (USPTO):Explore Patents
1. 12572109 - Image forming apparatus having movable joint cam with openings (2026-03-10),
2. 12371763 - Sm—Fe—N-based magnet powder, Sm—Fe—N-based sintered magnet, and production method therefor (2025-07-29),
3. 12346047 - Image forming apparatus with reduced number of connection lines (2025-07-01),
4. 12111605 - Image forming apparatus with movable joint cam, and rotator (2024-10-08),
5. 11594353 - Magnetic powder containing Sm—Fe—N-based crystal particles, sintered magnet produced from same, method for producing said magnetic powder, and method for producing said sintered magnet (2023-02-28),
6. 11579559 - Image forming apparatus including developing cartridge (2023-02-14),
7. 11526119 - Developing cartridge including first separation member at first outer surface of casing, and second separation member at second outer surface of casing (2022-12-13),
8. 11493871 - Image forming apparatus capable of inserting sheet tray in one direction and discharging printed sheet in opposite direction (2022-11-08),
9. 11409228 - Image forming apparatus configured to determine position of cam based on detection result of sensor (2022-08-09),
10. 11347166 - Belt unit including first frame provided with bearing holder positioned closer to second frame, and image-forming apparatus provided with the belt unit (2022-05-31),
11. 11334021 - Image forming apparatus with a gear train for developing rollers and a gear train for photosensitive drums (2022-05-17),
12. 11334019 - Image forming apparatus including cam configured to move development roller (2022-05-17),
13. 9989916 - Image forming apparatus having coupling structure between cartridge and driver unit (2018-06-05),
14. 9904231 - Image-forming apparatus having structure for stably supporting belt unit (2018-02-27),
15. 9506535 - Image-forming apparatus provided with interlocking mechanism for inputting drive force to drive roller of belt unit (2016-11-29),

Title: The Innovative Journey of Wataru Yamaguchi

Introduction: Wataru Yamaguchi, a pioneering inventor hailing from Nisshin, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Wataru Yamaguchi's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and storage solutions.

Career Highlights: With a career spanning over two decades, Yamaguchi has been instrumental in developing cutting-edge solutions for sustainable energy sources, earning him recognition as a leading figure in the renewable energy sector.

Collaborations: Throughout his career, Wataru Yamaguchi has collaborated with top research institutions and universities worldwide to further his innovative projects and bring his ideas to fruition.

Conclusion: Wataru Yamaguchi's dedication to pushing the boundaries of technology and his commitment to sustainable innovation continue to inspire future generations of inventors and researchers.

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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