Sunstar K.k.

Calculating rank

USPTO Granted Patents = 5

Forward Citations = 147

Loading Chart...

15 inventors (with patents filed for the assignee):

Yuichi Inoue (1 out of 101 patents)

Yoshio Tanaka (1 out of 26 patents)

Takamasa Kuroya (1 out of 3 patents)

4. Yoshiaki Nakamura (1 out of 3 patents)

5. Yuji Murakami (1 out of 3 patents)

6. Ryoichi Fujibayashi (1 out of 2 patents)

7. Akira Hashimoto (1 out of 3 patents)

8. Mitsuaki Shimizu (1 out of 1 patent)

9. Hisatoya Kato (1 out of 1 patent)

10. Hideya Ando (1 out of 1 patent)

11. Yoshitsugu Ozasa (1 out of 1 patent)

12. Yasunobu Kobayashi (1 out of 1 patent)

13. Motonobu Matsumoto (1 out of 1 patent)

14. Seiichi Abe (1 out of 1 patent)

15. Hajime Watanabe (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5190758 - Sebaceous excitosecretory agent (1993-03-02),

2. 5166233 - Film applicable to oral mucosa and drug preparation comprising the same (1992-11-24),

3. 5078989 - Skin whitening cosmetics (1992-01-07),

4. 5078987 - Iodine microbicide composition (1992-01-07),

5. 4564462 - Menthol soap (1986-01-14),

Company Overview

Sunstar Group is a global company with a long history of creating innovative products and services in the areas of oral care, health and beauty, and motorcycle and chemical products. Their commitment to putting the customer first and striving for excellence in all aspects of their business has made them a trusted and respected name in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#717 in Osaka

#6,654 in Japan

Osaka, Japan

Sunstar K.k.

Forward Citations = 147

15 inventors:

Yuichi Inoue (1 out of 101 patents)

Yoshio Tanaka (1 out of 26 patents)

Takamasa Kuroya (1 out of 3 patents)

4. Yoshiaki Nakamura (1 out of 3 patents)

5. Yuji Murakami (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sunstar K.k.. Retrieved from https://idiyas.com/company/sunstar-k-k

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]