Kao Quaker Co., Ltd.

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Forward Citations = 0

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12 inventors (with patents filed for the assignee):

Haruki Ikenaga (1 out of 4 patents)

Takashi Joke (1 out of 5 patents)

Tokuo Tsuura (1 out of 19 patents)

4. Yoshiyuki Kibe (1 out of 8 patents)

5. Hiroaki Sano (1 out of 2 patents)

6. Takashi Yasukuni (1 out of 4 patents)

7. Kiyotaka Nagai (1 out of 3 patents)

8. Masaaki Ohata (1 out of 1 patent)

9. Hiroshi Matsuura (1 out of 2 patents)

10. Kunio Koshiishi (1 out of 1 patent)

11. Yasuyoshi Hirama (1 out of 1 patent)

12. Kyozaburo Ogawa (1 out of 1 patent)

2 patents: Sort by Forward Citations

#4,374 in Tokyo

#11,143 in Japan

Forward Citations = 0

12 inventors:

Haruki Ikenaga (1 out of 4 patents)

Takashi Joke (1 out of 5 patents)

Tokuo Tsuura (1 out of 19 patents)

4. Yoshiyuki Kibe (1 out of 8 patents)

5. Hiroaki Sano (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kao Quaker Co., Ltd.. Retrieved from https://idiyas.com/company/kao-quaker-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]