Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652759 | Method of treating waste water and apparatus for treating waste water using the method | Tsutomu Taira, Keiji Hirano, Junji Okamura, Kunio Sano | 2003-11-25 |
| 4939260 | Process for producing aromatic nitriles or heterocyclic nitriles | Akira Inoue, Kunio Sano, Sadao Terui, Toshihide Kanzaki | 1990-07-03 |
| 4881987 | Process for direct softening heat treatment of rolled wire rods | Susumu Kanbara, Kenji Aihara, Masato Tomiku, Yoshio Kawashima, Tadashi Sawada +1 more | 1989-11-21 |
| 4834345 | Process and apparatus for direct softening heat treatment of rolled wire rods | Susumu Kanbara, Kenji Aihara, Masato Tomiku, Yoshio Kawashima, Tadashi Sawada +1 more | 1989-05-30 |