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For the Inventor, By the Inventor

Nagoya, Japan

Atsuhisa Nakashima

This inventor holds 67 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Image Forming Technology (CPC class G03G). Top assignees: Brother Kogyo Kabushiki-Kaisha, Brother Kogyo Kaushsiki Kaisha. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsuhisa Nakashima. Retrieved from https://idiyas.com/inventor/atsuhisa-nakashima

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

USPTO Granted Patents = 67 

% Patents Active = 74.6

 

Average Co-Inventor Count = 1.3

ph-index = 8

Forward Citations = 225(Granted Patents)

Forward Citations (Not Self Cited) = 211(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Aichi, JP (2006)
  • Handa, JP (2004 - 2010)
  • Aichi-ken, JP (2009 - 2012)
  • Nagoya, JP (2006 - 2015)
  • Obu, JP (2010 - 2024)

Company Filing History:

goldMedal66 out of 17,888 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal1 out of 1 
 
Brother Kogyo Kaushsiki Kaisha
 patent

Years Active: 2004-2026

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Areas of Expertise:
Image Forming Apparatus
Process Cartridge
Photosensitive Drum
Inkjet Printer
Developing Roller
Frame Structure
Liquid Ejecting
Media Conveyance
Transfer Belt
Head Unit
Reinforced Ink Groove
67 patents (USPTO):Explore Patents
1. 12601989 - Process cartridge including frame having photosensitive drum, drum coupling and flange fixed to photosensitive drum (2026-04-14),
2. 12061425 - Process cartridge including frame having photosensitive drum, drum coupling and flanged fixed to photosensitive drum (2024-08-13),
3. 11586123 - Process cartridge including frame having photosensitive drum, drum coupling and flanged fixed to photosensitive drum (2023-02-21),
4. 11385565 - Image forming apparatus and process cartridge (2022-07-12),
5. 11016410 - Image forming apparatus and process cartridge (2021-05-25),
6. 10928748 - Image forming apparatus and process cartridge (2021-02-23),
7. 10678162 - Image forming apparatus and process cartridge (2020-06-09),
8. 10451995 - Image forming apparatus and process cartridge (2019-10-22),
9. 10139749 - Image forming apparatus and process cartridge (2018-11-27),
10. 9791804 - Image forming apparatus and process cartridge (2017-10-17),
11. 9471003 - Image forming apparatus and process cartridge (2016-10-18),
12. 9367026 - Image forming apparatus having casing for maintaining relative positions of photosensitive drums (2016-06-14),
13. 9182732 - Image forming apparatus and process cartridge (2015-11-10),
14. 9176459 - Image forming apparatus (2015-11-03),
15. 9141081 - Image forming apparatus provided with mechanism to move developing roller relative to photosensitive drum (2015-09-22),

Title: **A Comprehensive Insight into Atsuhisa Nakashima**

Introduction

Atsuhisa Nakashima, based in Nagoya, Japan, is a prolific inventor with an impressive portfolio of 66 patents. His contributions significantly advance technologies related to image forming apparatuses and consumables, showcasing his expertise and innovation in this niche.

Latest Patents

Among Nakashima's latest inventions is a process cartridge that incorporates a frame with a photosensitive drum, a drum coupling, and a flange fixed to the photosensitive drum. This innovative image forming apparatus features several components: a drum cartridge that includes a photosensitive drum and a drum drive input member; a developing cartridge that is designed to be movably mounted to the drum cartridge, featuring a developing roller aligned to face the photosensitive drum and a developing drive input member. Additionally, it consists of a drum drive transmission member that engages with the drum drive input member, transmitting the drum driving force while allowing for a positional gap within a predetermined range. Furthermore, the developing drive transmission member operates similarly, engaging the developing drive input member to facilitate the transmission of developing driving force, also with a positional gap allowance.

Career Highlights

Throughout his career, Atsuhisa Nakashima has made substantial contributions while working at notable companies, including Brother Industries, Ltd. His innovative spirit and ingenuity have been instrumental in enhancing product effectiveness and functionality, especially in the domain of printing technology.

Collaborations

In his innovative journey, Nakashima has collaborated with esteemed coworkers such as Naoya Kamimura and Susumu Kuzuya. These partnerships have played a significant role in driving his invention process, resulting in cutting-edge developments that benefit the technology sector.

Conclusion

Atsuhisa Nakashima exemplifies the spirit of innovation through his numerous patents and collaborations. His work in developing advanced image forming technologies continues to be pivotal, reflecting the importance of creativity and collaboration in the realm of inventions and patents.

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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