Yokohama, Japan

Ichiro Endo

This inventor holds 20 USPTO granted patents, primarily in Bubble Jet Recording. Top assignee: Canon Kabushiki Kaisha. Active years: 1977-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ichiro Endo. Retrieved from https://idiyas.com/inventor/ichiro-endo

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 12

Forward Citations = 2,899(Granted Patents)


Location History:

  • Tokyo, JA (1977)
  • Yokohama, JA (1977 - 1978)
  • Yokohama, JP (1978 - 1998)

Company Filing History:


Years Active: 1977-1998

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Areas of Expertise:
Electrothermal Transducers
Droplet Projection
Liquid Jet Recording
Heat-Developable Material
Electrostatic Printing
Toner Fixing
Image Forming
Photosensitive Composition
Conductive Image Printing
20 patents (USPTO):Explore Patents

Title: Ichiro Endo: Innovator in Bubble Jet Technology

Introduction: Ichiro Endo, based in Yokohama, Japan, is a prominent inventor with a remarkable portfolio of 20 patents. His innovative work in the field of bubble jet technology has significantly contributed to advancements in printing methodologies, particularly in the way liquids are projected onto surfaces.

Latest Patents: Among his latest innovations are two notable patents related to bubble jet recording technology. The first patent involves a system where bubble jet recording is performed using a recording head with an orifice designed for projecting liquid. This system includes a liquid path with multiple electrothermal transducers that are selectively driven to adjust the amount of liquid ejected from the orifice.

The second patent describes a bubble jet recording apparatus equipped with a processing circuit for tone gradation. This invention includes a liquid inlet that delivers liquid through a flow path to a heating element. The heating element ensures that the liquid reaches a temperature capable of causing rapid phase changes, thus generating bubbles that propel droplets of liquid from the orifice. The innovative processing circuit allows for adjustments in either the size or quantity of the droplets, facilitating better control over tone gradation in recordings.

Career Highlights: Ichiro Endo is currently affiliated with Canon Kabushiki Kaisha, a leading company in imaging and printing solutions. His extensive work in bubble jet technology has placed him at the forefront of innovation within the company and the wider industry.

Collaborations: Throughout his career, Ichiro has collaborated with notable colleagues such as Shigeru Ohno and Hajime Kobayashi. These partnerships have fostered an environment of creativity and technological advancement, leading to breakthroughs in printing technology.

Conclusion: Ichiro Endo's contributions to bubble jet technology underscore the essential role of inventors in shaping the future of printing. His patents not only demonstrate his ingenuity but also reflect the collaborative spirit within the industry that drives continuous innovation.

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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