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Kouji Sumi

This inventor holds 16 USPTO granted patents, primarily in Piezoelectric Devices. Top assignee: Seiko Epson Corporation. Active years: 2000-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Sumi. Retrieved from https://idiyas.com/inventor/kouji-sumi

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

Calculating rank

USPTO Granted Patents = 16

% Patents Active = 87.5

Average Co-Inventor Count = 2.5

ph-index = 10

Forward Citations = 243(Granted Patents)

Location History:

Suwa, JP (2000 - 2002)
Nagano, JP (2000 - 2005)
Nagano-ken, JP (2007)

Company Filing History:

16 out of 34,344

Seiko Epson Corporation

Years Active: 2000-2007

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Areas of Expertise:

Piezoelectric Thin Film

Inkjet Recording Head

Manufacturing Process

Laminated Structure

Functional Thin Film

Ceramics Film

Recording Head

Mixed Layer

Thin Film Component

Inkjet Printer

Device Production

Film Element

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7240409 - Process of making a piezoelectric thin film component (2007-07-10),

2. 6836940 - Process for producing a laminated ink-jet recording head (2005-01-04),

3. 6748635 - Method of manufacturing piezoelectric thin film component (2004-06-15),

4. 6711793 - Method of producing a piezoelectric device having at least one piezoelectric thin film layer (2004-03-30),

5. 6698096 - Method for manufacturing a piezoelectric film element and an ink-jet recording head (2004-03-02),

6. 6511161 - Piezoelectric thin film component, inkjet type recording head and inkjet printer using this [piezoelectric thin film component], and method of manufacturing piezoelectric thin film component (2003-01-28),

7. 6455106 - Method of forming oxide-ceramics film (2002-09-24),

8. 6411017 - Piezoelectric device, ink jet recording head, and methods of manufacturing said device and head (2002-06-25),

9. 6402303 - Functional thin film with a mixed layer, piezoelectric device, ink jet recording head using said piezoelectric device, and ink jet printer using said recording head (2002-06-11),

10. 6332254 - Process for producing a laminated ink-jet recording head (2001-12-25),

11. 6328433 - Piezoelectric film element and ink-jet recording head using the same (2001-12-11),

12. 6194818 - Piezoelectric thin film component, injet type recording head and inkjet printer using this (piezoelectric thin film component), and method of manufacturing piezoelectric thin film component (2001-02-27),

13. 6158847 - Laminated ink-jet recording head, a process for production thereof and a (2000-12-12),

14. 6140746 - Piezoelectric thin film, method for producing the same, and ink jet (2000-10-31),

15. 6103072 - Piezoelectric thin-film device, process for manufacturing the same, and (2000-08-15),

Title: Kouji Sumi - Pioneering Inventor from Nagano, Japan

Introduction: Kouji Sumi is a renowned inventor hailing from Nagano, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Sumi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Sumi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Sumi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Kouji Sumi's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazer in the world of inventions.

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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