Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7473817 | Absorbent article | Masahito Tanaka, Mitsugu Hamajima, Noriko Sakamoto, Minoru Nakanishi | 2009-01-06 |
| 6663949 | Deodorizing absorbent sheet | Masahito Tanaka, Mayumi Kimura, Mitsugu Hamajima, Minoru Nakanishi | 2003-12-16 |
| 6302872 | Absorbent member sealed between a topsheet and a backsheet | Hiroyuki Yokomatsu, Satoshi Tanaka, Miyuki Kondo, Mitsugu Hamajima, Minoru Nakanishi | 2001-10-16 |
| 6214787 | Granular detergent composition for clothing | Shu Yamaguchi, Shigeru Tamura, Noriaki Ushio, Masaki Tsumadori, Hiroyuki Yamashita | 2001-04-10 |