Okazaki, Japan

Fumio Nakazawa

USPTO Granted Patents = 54 


 

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 26(Granted Patents)

Forward Citations (Not Self Cited) = 21(Dec 10, 2025)


Location History:

  • Okazaki, JP (2010 - 2024)
  • Kazaki, JP (2024)

Company Filing History:


Years Active: 2010-2025

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Areas of Expertise:
Inkjet Recording Device
Liquid Ejection Device
Replenishable Liquid Storage Tank
Liquid Cartridge
Printing-Fluid Cartridge
Liquid Supplying Apparatus
Liquid Discharging Apparatus
Liquid Jetting Apparatus
Image-Forming Apparatus
Liquid Droplet Jetting Apparatus
Ink Tank
Printing Device
54 patents (USPTO):Explore Patents

Title: Innovations by Fumio Nakazawa in Inkjet Technology

Introduction

Fumio Nakazawa, located in Okazaki, Japan, is a prolific inventor with a remarkable portfolio of 52 patents. His inventive work primarily focuses on advancements in inkjet technology, demonstrating a strong commitment to innovation within this field.

Latest Patents

Among Nakazawa's most significant recent patents is an innovative inkjet recording device designed to maintain a valve in a closing position during the printing process. This device incorporates a head configured to eject ink, a support member for the head, a storage portion for the ink, and a valve controlled by an actuator. The feature that distinguishes this invention is its ability to prevent air communication during ink ejection, optimizing the printing process.

Another noteworthy invention is a liquid discharging apparatus that includes a head with a nozzle to discharge liquid. This apparatus has a storing part positioned above the nozzle's opening, ensuring the liquid is efficiently managed while forming a liquid surface. The valve unit in this invention switches between communication states to facilitate optimal liquid discharge based on power source conditions.

Career Highlights

Fumio Nakazawa works for Brother Kogyo Kabushiki-kaisha, a well-known company in the imaging and printing industry. His contributions to the field have resulted in numerous enhancements in inkjet technology, positioning the company as a leader in innovative printing solutions.

Collaborations

Throughout his career, Nakazawa has collaborated with talented individuals like Kosuke Nukui and Akihito Ono. These collaborations have led to breakthroughs in his research and development efforts, fostering an environment of creative problem-solving and innovation.

Conclusion

Fumio Nakazawa's extensive patent portfolio is a testament to his innovative spirit and expertise in inkjet technology. His latest inventions reflect a deep understanding of the intricacies involved in liquid discharging apparatuses, contributing significantly to the advancement of printing technologies. As he continues to work with Brother Kogyo Kabushiki-kaisha and his coworkers, Nakazawa is poised to drive further innovations in the field.

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