Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556040 | Method and apparatus for improving dispersibility of vegetable fiber | Shoichiro Irie, Norihito Akiyama | 1996-09-17 |
| 5415821 | Method of manufacturing fiber reinforced inorganic hardened body | Shoichiro Irie, Norihito Akiyama | 1995-05-16 |
| 5403087 | Mixing apparatus and mixing method for mixing fibrous and powder materials | Shoichiro Irie, Norihito Akiyama | 1995-04-04 |
| 5397067 | Method of producing bamboo fibers | Norihito Akiyama, Kazuo Sakamoto, Shoichiro Irie | 1995-03-14 |
| 5393214 | Apparatus for manufacturing a fiber reinforced inorganic hardened body | Shoichiro Irie, Norihito Akiyama | 1995-02-28 |