% Expired Patents = 100.0

EPO Patents = 1

Trademarks = 1

Forward Citations = 3

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5 inventors (with patents filed for the assignee):

Minoru Morita (1 out of 31 patents)

Yasuhiro Tateishi (1 out of 3 patents)

Jun Hidari (1 out of 1 patent)

4. Yoshinobu Sato (1 out of 13 patents)

5. Mai Matsuda (1 out of 1 patent)

6. Takio Adachi (2 patents)

7. Yoichi Shimoi (4 patents)

8. Junichi Goda (0 patent)

2 patents: Sort by Forward Citations

1. 8900458 - Method of isolating target substance using membrane and apparatus therefor (2014-12-02),

2. 8893498 - Method of power generation by waste combustion and waste combustion system (2014-11-25),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#4,366 in Tokyo

#11,133 in Japan

Tokyo, Japan

Tsukishima Kankyo Engineering Ltd.

Forward Citations = 3

5 inventors:

Minoru Morita (1 out of 31 patents)

Yasuhiro Tateishi (1 out of 3 patents)

Jun Hidari (1 out of 1 patent)

4. Yoshinobu Sato (1 out of 13 patents)

5. Mai Matsuda (1 out of 1 patent)

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

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 (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]