Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380588 | Polyvinyl alcohol-based synthetic fiber | Masakazu Nishiyama, Yasuhiro Harada | 1995-01-10 |
| 5164431 | Process for producing molded articles | Kenji Saimen, Sotaro Itadani, Ken Yuki | 1992-11-17 |
| 5110678 | Synthetic polyvinyl alcohol fiber and process for its production | Hiroshi Narukawa, Fumio Nakahara, Akira Kubotsu, Akitsugu Akiyama, Masakazu Nishiyama +2 more | 1992-05-05 |
| 4968561 | Synthetic fiber for use in reinforcing cement mortar or concrete and cement composition containing same | Masaki Okazaki, Mitsuro Mayahara, Junichi Yoshinaka | 1990-11-06 |
| 4612157 | Method for production of high-tenacity, fine-denier polyvinyl alcohol fiber | Tsuneo Genba, Masaki Okazaki, Isao Sakuragi | 1986-09-16 |
| 4524042 | Process for producing hydraulically setting extruding materials | Tsuneo Genba, Masaki Okazaki | 1985-06-18 |
| 4474907 | Fiber-reinforced hydraulically setting materials | Tsuneo Genba, Masaki Okazaki | 1984-10-02 |
| 4267016 | Polyvinyl alcohol fiber for binding a fibrous sheet and a process for the preparation thereof | Masaki Okazaki | 1981-05-12 |