Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9999749 | Catheter | Tadanori Hiroshige, Makoto Nishigishi, Tatsuhiko Kajii | 2018-06-19 |
| 9545496 | Catheter | Tadanori Hiroshige, Makoto Nishigishi, Tatsuhiko Kajii | 2017-01-17 |
| 8940673 | Skin cleansing composition | Mayuko Hirahara, Koji Endo, Masahiro Miyaki | 2015-01-27 |
| 8815787 | Skin cleansing agent | Shinichi Ikegaki | 2014-08-26 |
| 6541432 | Cleansing material | Keiko Matsuo | 2003-04-01 |
| 5124077 | Skin detergent composition containing a phosphate ester surfactant and a water soluble chitin derivative | Yasushi Kajihara, Hajime Hirota | 1992-06-23 |