Hiroshi Seo

This inventor holds 55 USPTO granted patents and 3 published patent applications and 10 EPO patents, primarily in Image Forming Technology (CPC class G03G). Top assignee: Ricoh Company, Ltd.. Active years: 2010-2024.

USPTO Granted Patents = 55 (Patent Applications = 3)

% Patents Active = 47.3

EPO Patents = 10 (Patent Applications = 9)

Average Co-Inventor Count = 4.5

ph-index = 12

Forward Citations = 407(Granted Patents)

Forward Citations (Not Self Cited) = 299(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokyo, JP (2010)
Yokohama, JP (2010 - 2011)
Sagamihara, JP (2010 - 2014)
Kanagawa Prefecture, JP (2014)
Kanagawa, JP (2010 - 2024)

Company Filing History:

55 out of 28,906

Ricoh Company, Ltd.

patents

Years Active: 2010-2024

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Areas of Expertise:

Image Forming Apparatus

Fixing Device

Temperature Detector

Heating Device

Laminator

Vibration Dampening

Thermal Fixing

Conveyance Unit

Control Method

Infrared Rays

Fixing Method

Fixing Unit

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11906916 - Heating device, fixing device, drying device, laminator, and image forming apparatus (2024-02-20),

2. 10955777 - Fixing device including at least one temperature detector and a device-side connector and image forming apparatus including same (2021-03-23),

3. 10845740 - Temperature detector, heating device, fixing device, and image forming apparatus (2020-11-24),

4. 10788775 - Fixing device and image forming apparatus including same (2020-09-29),

5. 10162283 - Image forming apparatus (2018-12-25),

6. 10001734 - Fixing device and image forming apparatus including fixing device with vibration dampening (2018-06-19),

7. 9851663 - Fixing device and image forming apparatus (2017-12-26),

8. 9829840 - Fixing device and image forming apparatus (2017-11-28),

9. 9715201 - Fixing device and image forming apparatus including a rotation load applicator (2017-07-25),

10. 9678460 - Fixing device, image forming apparatus, and fixing method (2017-06-13),

11. 9612556 - Fixing device and image forming apparatus (2017-04-04),

12. 9568868 - Image forming apparatus (2017-02-14),

13. 9411284 - Fixing device (2016-08-09),

14. 9195183 - Image forming apparatus with conveyance unit to regulate passage of recording medium (2015-11-24),

15. 9176438 - Image forming apparatus and method of arranging sheet detector (2015-11-03),

Sure, here's the article about inventor Hiroshi Seo:

Title: Innovator Spotlight - Hiroshi Seo: Pioneering Technological Advancements

Introduction: Meet Hiroshi Seo, a prolific inventor based in Kanagawa, Japan, whose innovative spirit has led to the creation of groundbreaking technologies in the realm of heating devices, fixing devices, drying devices, laminators, and image forming apparatuses.

Latest Patents: With an impressive portfolio of 55 patents, Hiroshi Seo continues to push the boundaries of technological innovation. His latest patents include a heating device that features a planar heater, rotator, pressure rotator, heating device frame, resistor, and discharger. Additionally, he has patented a fixing device with temperature detectors and a device-side connector for enhanced efficiency. These inventions showcase his prowess in developing cutting-edge solutions for diverse technological challenges.

Career Highlights: Hiroshi Seo is a valued member of Ricoh Company, Ltd., a renowned technology company known for its innovative contributions to the industry. Within Ricoh, Seo has played a pivotal role in driving research and development initiatives, culminating in the successful implementation of numerous patented inventions that have revolutionized various sectors.

Collaborations: Collaboration lies at the heart of Hiroshi Seo's success, with key partnerships with coworkers such as Tadashi Ogawa and Takamasa Hase. Together, they have leveraged their collective expertise to develop inventive solutions that have garnered acclaim within the technological community.

Conclusion: Hiroshi Seo's dedication to innovation and his unwavering commitment to excellence have solidified his status as a trailblazer in the field of technological advancements. His remarkable contributions continue to shape the landscape of modern technology, inspiring future generations of inventors to strive for greatness.

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