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Kouji Sumi

This inventor holds 16 USPTO granted patents. 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

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 34,238

Seiko Epson Corporation

Years Active: 2000-2007

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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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