Happiness Planet, Ltd.

Calculating rank

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Miki Hayakawa (1 out of 9 patents)

Tomoaki Akitomi (1 out of 9 patents)

Koji Ara (1 out of 17 patents)

4. Nobuo Sato (1 out of 40 patents)

5. Kazuo Yano (1 out of 96 patents)

6. Satomi Tsuji (1 out of 9 patents)

1 patent: Sort by Forward Citations

#2 in Kokubunji

#15,774 in Japan

Forward Citations = 1

6 inventors:

Miki Hayakawa (1 out of 9 patents)

Tomoaki Akitomi (1 out of 9 patents)

Koji Ara (1 out of 17 patents)

4. Nobuo Sato (1 out of 40 patents)

5. Kazuo Yano (1 out of 96 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Happiness Planet, Ltd.. Retrieved from https://idiyas.com/company/happiness-planet

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]