Kashiwa, Japan

Fumio Tazawa

This inventor holds 87 USPTO granted patents and 11 published patent applications, plus 13 CIPO patents and 15 EPO patents, primarily in Developer Supply Systems (CPC class G03G15-0877). Top assignee: Canon Kabushiki Kaisha. Active years: 2000-2026.

USPTO Granted Patents = 87 

% Patents Active = 75.9

 

 

Average Co-Inventor Count = 3.9

ph-index = 24

Forward Citations = 1,753(Granted Patents)

Forward Citations (Not Self Cited) = 1,031(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Shizuoka-ken, JP (2000)
  • Numazu, JP (2000 - 2009)
  • Chiba-ken, JP (2005 - 2014)
  • Abiko, JP (2005 - 2015)
  • Kashiwa, JP (2006 - 2024)

Company Filing History:


Years Active: 2000-2026

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Areas of Expertise:
Developer Supply Container
Developer Supplying System
Image Forming Apparatus
Toner Supplying Cartridge
Compressed Air
Filtered Venting
Pump Operated Discharge
Sealing Member
87 patents (USPTO):Explore Patents

Sure, I can create an article about inventor Fumio Tazawa with the given data. Here is the article structured as requested:

Title: The Innovative Mind of Fumio Tazawa

Introduction: Fumio Tazawa, a prominent inventor hailing from Kashiwa, Japan, is recognized for his remarkable contributions to the field of developer supply systems.

Latest Patents:

1. Developer Supply Container and Developer Supplying System: This patent introduces an advanced developer supply container with unique features aimed at enhancing the efficiency of developer discharge processes.

Career Highlights: With an impressive portfolio of 84 patents, Fumio Tazawa has solidified his legacy as a leading innovator in the industry. His dedication to revolutionizing developer supply technology has resulted in numerous groundbreaking inventions.

Collaborations: Throughout his career, Tazawa has collaborated with esteemed colleagues such as Katsuya Murakami and Yusuke Yamada. Their joint efforts have led to the development of cutting-edge solutions that have reshaped the landscape of developer supply systems.

Conclusion: Fumio Tazawa's inventive spirit and unwavering commitment to excellence continue to inspire generations of inventors. His visionary approach to problem-solving has significantly impacted the industry, making him a true pioneer in the world of innovation.

I hope this article provides valuable insights into the remarkable work of inventor Fumio Tazawa.

Profile summary based on public USPTO records.
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