% Expired Patents = 57.1

CIPO Patents = 1

EPO Patents = 3

Trademarks = 1

Forward Citations = 3

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10 inventors (with patents filed for the assignee):

Shiro Kanegasaki (5 out of 10 patents)

Kazuyuki Matsumura (1 out of 23 patents)

Yuya Terashima (1 out of 4 patents)

4. Kouji Matsushima (1 out of 39 patents)

5. Junji Matsuda (1 out of 7 patents)

6. Takafumi Iseri (1 out of 4 patents)

7. Takuya Tamatani (1 out of 17 patents)

8. Yuji Kikuchi (1 out of 4 patents)

9. Teruaki Miyamura (1 out of 1 patent)

10. Kazumi Wada (1 out of 1 patent)

11. Shinichi Hayashi (0 patent)

12. Teruaki c/o Hirata Corporation Miyamura (0 patent)

13. Takafumi c/o Hirata Corporation Iseri (0 patent)

14. Shiro c/o Effector Cell Institute Inc Kanegasaki (0 patent)

15. Junji c/o Hirata Corporation Matsuda (0 patent)

7 patents: Sort by Forward Citations

1. 7807451 - Apparatus for detecting cell chemotaxis (2010-10-05),

2. 7759066 - Molecule associating with intracellular C-terminal domain of receptor (2010-07-20),

3. 7662781 - Immunopotentiating agent (2010-02-16),

4. 7625719 - Microsample treatment apparatus (2009-12-01),

5. 7550114 - Cell observation apparatus (2009-06-23),

6. 7521227 - Cell observation chamber (2009-04-21),

7. 6805276 - Deposit metal welding method (2004-10-19),

Company Overview

Eci, Inc. is a leading construction company specializing in commercial and residential projects. With over 20 years of experience, we provide high-quality services in design, development, and renovation. Our team of professionals is dedicated to delivering projects on time and within budget, exceeding our clients' expectations every time.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#2,284 in Tokyo

#5,450 in Japan

Tokyo, Japan

Eci, Inc.

Forward Citations = 3

10 inventors:

Shiro Kanegasaki (5 out of 10 patents)

Kazuyuki Matsumura (1 out of 23 patents)

Yuya Terashima (1 out of 4 patents)

4. Kouji Matsushima (1 out of 39 patents)

5. Junji Matsuda (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eci, Inc.. Retrieved from https://idiyas.com/company/eci

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

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]

1 patent (CIPO):

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]

3 patents (EPO):

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]