Nagoya, Japan

Yasuo Fukamachi

This inventor holds 137 USPTO granted patents and 7 published patent applications, plus 3 CIPO patents and 28 EPO patents, primarily in Image Forming Technology (CPC class G03G21-1647). Top assignees: Brother Kogyo Kabushiki-Kaisha, Brother Industries, Ltd.. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Fukamachi. Retrieved from https://idiyas.com/inventor/yasuo-fukamachi

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

USPTO Granted Patents = 137 

% Patents Active = 95.6


 

Average Co-Inventor Count = 2.6

ph-index = 13

Forward Citations = 490(Granted Patents)

Forward Citations (Not Self Cited) = 328(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Nogoya, JP (2015)
  • Aichi, JP (2015 - 2023)
  • Nagoya, JP (2009 - 2024)

Company Filing History:


Years Active: 2009-2026

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Areas of Expertise:
Developing Cartridge
Image Forming Apparatus
Electrical Contact Surface
Process Cartridge
Photosensitive Drum
Toner Cartridge
Drum Cartridge
Developing Guide
Waste Toner
Coupling Mechanism
Movable Holder
Locking Member
137 patents (USPTO):Explore Patents

Discover the Innovator: Yasuo Fukamachi

At iDIYAs, we believe in highlighting the brilliant minds and their groundbreaking inventions. Today, we introduce you to Yasuo Fukamachi, an esteemed inventor hailing from Nagoya, Japan. With an impressive portfolio of 100 patents to his name, Fukamachi has made significant contributions to the field of image forming technology.

His latest patents further demonstrate his mastery in designing advanced image forming apparatuses. One such patent is for an image forming apparatus that incorporates a developing guide. This developing guide facilitates the attachment and detachment of the developing cartridge to and from the main body housing. The apparatus includes a developing cartridge with a developing roller and a developing memory, alongside a drum cartridge with a photosensitive drum. The developing guide, movable along with the cartridge, allows seamless contact and separation of the developing roller from the photosensitive drum. This innovative design ensures efficient and precise image formation.

Additionally, Fukamachi has also patented a developing cartridge that comprises a developing roller and coupling mechanism. The cartridge features a first supporting member, attached to the housing, which supports the rotational shaft and the driving-force-receiving member. The second supporting member, also attached to the housing, supports another part of the rotational shaft and a detection rotational body. This unique design enhances the functionality and reliability of the developing cartridge.

Fukamachi's contributions find their roots in the renowned company Brother Industries, Ltd. (formerly known as Brother Kogyo Kabushiki-Kaisha). Brother Industries is a leading multinational electronics and electrical equipment company, specializing in a wide range of products such as printers, sewing machines, and industrial machinery. Within this esteemed organization, Fukamachi collaborates with equally talented individuals, including notable colleagues such as Motoaki Mushika and Kazuna Taguchi.

Yasuo Fukamachi's relentless pursuit of engineering excellence has undoubtedly left a lasting impact on the image forming industry. We at iDIYAs admire his expertise and commend his dedication to innovation. As he continues to push the boundaries of technology, we eagerly anticipate witnessing his future contributions to the field of patents and inventions.

Should you have any interest in exploring more remarkable inventors and their remarkable creations, visit our website, idiyas.com. There, you will find a wealth of information on companies, inventors, their patents, and groundbreaking innovations that shape our world.

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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