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For the Inventor, By the Inventor

Kasugai, Japan

Tatsuo Ogasawara

This inventor holds 20 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Image Forming Technology. Top assignees: Brother Kogyo Kabushiki-Kaisha, Brother Industries, Ltd.. Active years: 2009-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Ogasawara. Retrieved from https://idiyas.com/inventor/tatsuo-ogasawara

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

USPTO Granted Patents = 20 

% Patents Active = 95.0


Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 66(Granted Patents)


Location History:

  • Nagoya, JP (2019)
  • Aichi, JP (2022 - 2023)
  • Kasugai, JP (2009 - 2024)

Company Filing History:

goldMedal16 out of 17,897 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal4 out of 999 
 
Brother Industries, Ltd.
 patents

Years Active: 2009-2024

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Areas of Expertise:
Fixing Device
Image Forming Apparatus
Photosensitive Drum Unit
Cartridge
Heating Unit
Pressure Roller
Development Apparatus
Fuser
Rotator
Belt
Nip Pad
Cam
20 patents (USPTO):Explore Patents
1. 11977345 - Device including rotator and belt, such as a fixing device for an image forming apparatus (2024-05-07),
2. 11675293 - Image forming apparatus including a fixing device comprising a first nip pad and second nip pad and method for controlling image forming apparatus (2023-06-13),
3. 11635716 - Device including rotator and belt, such as a fixing unit for an image forming apparatus (2023-04-25),
4. 11614702 - Fixing device (2023-03-28),
5. 11353811 - Fixing device and image forming apparatus (2022-06-07),
6. 11300907 - Device including rotator and belt, such as a fixing unit for an image forming apparatus (2022-04-12),
7. 11281142 - Fixing device with supported side guide (2022-03-22),
8. 10996600 - Device including rotator and belt, such as a fixing unit for an image forming apparatus (2021-05-04),
9. 10942478 - Device including rotator and belt, such as a fixing device for an image forming apparatus (2021-03-09),
10. 10599092 - Image forming apparatus provided with fixing member engaged to roller and frame (2020-03-24),
11. 10353329 - Cam having multiple contact states for an apparatus (2019-07-16),
12. 10248054 - Fuser having resin frame and metal frame (2019-04-02),
13. 9946219 - Image forming apparatus provided with heating unit and pressure roller (2018-04-17),
14. 9606502 - Cartridge and image forming device (2017-03-28),
15. 9459555 - Image forming apparatus (2016-10-04),

Title: The Innovative Journey of Tatsuo Ogasawara

Introduction: Tatsuo Ogasawara is a renowned inventor hailing from Kasugai, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tatsuo Ogasawara holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Ogasawara has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Tatsuo Ogasawara has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Tatsuo Ogasawara's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a pioneering inventor in the global tech 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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