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Toru Oguma

USPTO Granted Patents = 82 (Patent Applications = 7)

EPO Patents = 5 (Patent Applications = 1)

Average Co-Inventor Count = 3.4

ph-index = 25

Forward Citations = 1,732(Granted Patents)

Forward Citations (Not Self Cited) = 1,361(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Susono, JP (1998 - 2001)
Shizouka, JP (2004)
Tokyo, JP (1995 - 2019)
Shizuoka-Ken, JP (2006 - 2023)
Mishima, JP (2000 - 2024)
Shizuoka, JP (2003 - 2024)

Company Filing History:

81 out of 90,697

Canon Kabushiki Kaisha

Caono Kabushiki Kaisha

Years Active: 1995-2025

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Areas of Expertise:

Electrophotographic Image Forming Apparatus

Process Cartridge

Development Device

Photosensitive Drum

Toner Cartridge

Image Forming Unit

Disassembling Tool

Coupling Mechanism

Developing Unit

Magnetic Sealing Member

Erroneous Attaching Prevention Unit

Vibration Addressing Technology

82 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12436492 - Cartridge and electrophotographic image forming apparatus (2025-10-07),

2. 12117763 - Development device, process cartridge, and image forming apparatus (2024-10-15),

3. 11994824 - Cartridge and electrophotographic image forming apparatus (2024-05-28),

4. 11960225 - Image forming apparatus (2024-04-16),

5. D993925 - Process cartridge for image forming apparatus (2023-08-01),

6. 11703795 - Development device, process cartridge, and image forming apparatus (2023-07-18),

7. 11500324 - Cartridge and electrophotographic image forming apparatus (2022-11-15),

8. 11360416 - Image forming apparatus (2022-06-14),

9. 11287772 - Development device, process cartridge, and image forming apparatus (2022-03-29),

10. 11099518 - Cartridge and electrophotographic image forming apparatus (2021-08-24),

11. 10969730 - Image forming apparatus and image forming unit (2021-04-06),

12. 10845723 - Photosensitive drum unit to address vibration of a charge roller (2020-11-24),

13. D889415 - Process cartridge for image forming apparatus (2020-07-07),

14. 10606210 - Development device, process cartridge, and image forming apparatus (2020-03-31),

15. 10551790 - Cartridge and electrophotographic image forming apparatus (2020-02-04),

Title: The Innovative Journey of Toru Oguma

Introduction:

Toru Oguma, a pioneering inventor hailing from Mishima, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents:

Toru Oguma's latest patents include advancements in renewable energy technology, specifically in the field of solar power efficiency and storage solutions.

Career Highlights:

With a career spanning over two decades, Toru Oguma has been at the forefront of developing cutting-edge solutions for sustainable energy sources. His work has led to several patents that have revolutionized the way we harness and utilize renewable energy.

Collaborations:

Throughout his career, Toru Oguma has collaborated with leading research institutions and universities to further his research and bring his inventions to life. His partnerships have been instrumental in pushing the boundaries of innovation in the renewable energy sector.

Conclusion:

Toru Oguma's passion for innovation and commitment to creating a more sustainable future have solidified his position as a trailblazing inventor in the field of renewable energy technology. His contributions continue to inspire and shape the landscape of clean energy solutions globally.

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