% Expired Patents = 42.9

CIPO Patents = 1

Forward Citations = 33

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14 inventors (with patents filed for the assignee):

Takahiro Kanagawa (7 out of 11 patents)

Shinya Kurata (7 out of 11 patents)

Kazutaka Yamada (5 out of 9 patents)

4. Ryuichiro Kurane (5 out of 20 patents)

5. Yoichi Kamagata (5 out of 10 patents)

6. Toyokazu Yokomaku (5 out of 8 patents)

7. Osamu Koyama (3 out of 78 patents)

8. Kenta Furusho (3 out of 6 patents)

9. Masaki Torimura (2 out of 10 patents)

10. Kazunori Nakamura (2 out of 57 patents)

11. Naohiro Noda (1 out of 2 patents)

12. Satoshi Tsuneda (1 out of 4 patents)

13. Hidenori Tani (1 out of 3 patents)

14. Kyoko Takatsu (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7951604 - Mixtures for assaying nucleic acid, novel method of assaying nucleic acid with the use of the same and nucleic acid probe to be used therefor (2011-05-31),

2. 7785795 - Method of assaying nucleic acid using labeled nucleotide (2010-08-31),

3. 7429655 - Method for determining a concentration of target nucleic acid molecules, nucleic acid probes for the method and method for analyzing data obtained by the method (2008-09-30),

4. 7419786 - Methods for monitoring PCR amplification with fluorescently labeled probes or primers for which fluorescence changes upon hybridization to a target (2008-09-02),

5. 7354707 - Nucleic acid probes, method for determining concentrations of nucleic acid by using the probes, and method for analyzing data obtained by the method (2008-04-08),

6. 7273700 - Nucleic acid probe and novel method of assaying nucleic acid using the same (2007-09-25),

7. 7094540 - Method for determining a concentration of target nucleic acid molecules, nucleic acid probes for the method and method for analyzing data obtained by the method (2006-08-22),

Company Overview

Kankyo Engineering Co., Ltd. is a leading environmental engineering company specializing in providing sustainable solutions for waste management, water treatment, and air pollution control. With over 20 years of experience, we are committed to protecting the environment and creating a sustainable future for generations to come.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#2,288 in Tokyo

#5,459 in Japan

Tokyo, Japan

Kankyo Engineering Co., Ltd.

Forward Citations = 33

14 inventors:

Takahiro Kanagawa (7 out of 11 patents)

Shinya Kurata (7 out of 11 patents)

Kazutaka Yamada (5 out of 9 patents)

4. Ryuichiro Kurane (5 out of 20 patents)

5. Yoichi Kamagata (5 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kankyo Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/kankyo-engineering-company

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]