Happy World Inc.

Calculating rank

Forward Citations = 11

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10 inventors (with patents filed for the assignee):

Hideo Hasegawa (1 out of 40 patents)

Jong Hwan Sung (1 out of 3 patents)

Masamori Uchiyama (1 out of 1 patent)

4. Satoshi Matsumiya (1 out of 1 patent)

5. Jae Doo Huh (1 out of 1 patent)

6. Jong Hwan Sung (1 out of 1 patent)

7. Jae Doo Huh (1 out of 1 patent)

8. Uchiyama Masamori (1 out of 1 patent)

9. Matsumiya Satoshi (1 out of 1 patent)

10. Hasegawa Hideo (1 out of 1 patent)

2 patents: Sort by Forward Citations

#4,375 in Tokyo

#11,147 in Japan

Forward Citations = 11

10 inventors:

Hideo Hasegawa (1 out of 40 patents)

Jong Hwan Sung (1 out of 3 patents)

Masamori Uchiyama (1 out of 1 patent)

4. Satoshi Matsumiya (1 out of 1 patent)

5. Jae Doo Huh (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Happy World Inc.. Retrieved from https://idiyas.com/company/happy-world

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]