Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7128934 | Drink-extracting bag equipped with holding element | Keiji Ohta | 2006-10-31 |
| 6742660 | Antibacterial and biodegradable extracting container | Kouji Kajiwara, Shuhei Kurata | 2004-06-01 |
| 5496573 | Coffee filter material and coffee filter bag | Hiroshi Tsuji, Hiromasa Saisaka, Hideo Murakami, Masaaki Fukuchi | 1996-03-05 |