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For the Inventor, By the Inventor

Kamakura, Japan

Fumio Ichikawa

This inventor holds 8 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Ichikawa. Retrieved from https://idiyas.com/inventor/fumio-ichikawa-ji8aoqlq

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 6

Forward Citations = 142(Granted Patents)


Location History:

  • Kanagawa, JP (1993)
  • Kamakura, JP (1994 - 1999)

Company Filing History:

goldMedal8 out of 93,136 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1993-1999

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8 patents (USPTO):Explore Patents
1. 5930895 - Process for producing an ink jet recording head (1999-08-03),
2. 5657539 - Process for producing an ink jet recording head (1997-08-19),
3. 5477244 - Testing method and apparatus for judging a printing device on the basis (1995-12-19),
4. 5436645 - Inspection/adjustment method and apparatus for laser beam output optical (1995-07-25),
5. 5389954 - Laser process apparatus for forming holes in a workpiece (1995-02-14),
6. 5351264 - Optical apparatus for emitting light and automatic adjustment apparatus (1994-09-27),
7. 5293179 - Work convey method and apparatus (1994-03-08),
8. 5243755 - Ink-jet head assembling apparatus and method (1993-09-14),

Title: Fumio Ichikawa: Innovator in Ink Jet Technology

Introduction

Fumio Ichikawa is a prominent inventor based in Kamakura, Japan. He has made significant contributions to the field of ink jet technology, holding a total of 8 patents. His work has been instrumental in advancing the efficiency and effectiveness of ink jet recording heads.

Latest Patents

Ichikawa's latest patents focus on the process for producing an ink jet recording head. This innovative process involves forming a plurality of orifices for ejecting ink droplets in a first substrate, along with a reference object for registration. In a second substrate, ejection energy generating elements are created to supply energy for ejecting the ink, which is placed in liquid passages that communicate with the orifices. The first and second substrates are then joined together based on the reference object for registration.

Career Highlights

Fumio Ichikawa is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to push the boundaries of ink jet technology, contributing to the development of high-quality printing solutions.

Collaborations

Ichikawa has collaborated with notable coworkers such as Tsuyoshi Orikasa and Kazuaki Masuda. Their combined expertise has fostered innovation and progress in the field of ink jet technology.

Conclusion

Fumio Ichikawa's contributions to ink jet technology through his patents and work at Canon Kabushiki Kaisha highlight his role as a key innovator in the industry. His advancements continue to shape the future of printing technology.

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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