Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377038 | Cosmetic composition | Kaori Hayashi, Masayuki Narita, Naoya Kawakami, Tomokazu Iseki | 2025-08-05 |
| 8796379 | Polyether polycarbonate | Yoshihiko Watanabe, Shuichiro Kobaru, Genichi Nakamura | 2014-08-05 |
| 8524205 | Hair cosmetic composition | Yoshihiko Watanabe, Masayoshi Ehara | 2013-09-03 |
| 6776803 | Hair dye compositions | Takashi Itou, Eiichi Nishizawa, Sachiko Tajima, Takashi Mizooku | 2004-08-17 |
| 6348189 | Hair cleansing compositions containing glycine and alanine | Hisateru Tanabe, Shinobu Nagase, Satoshi Shibuichi, Kenji Arai | 2002-02-19 |
| 5747015 | Acylated silk proteins for hair care | Sachio Naito | 1998-05-05 |