Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243768 | Vapor drier | Masaaki Mita, Seiji Sudoh, Katashi Shioda | 1993-09-14 |
| 5211733 | Method for producing a high-purity silica glass powder | Takashi Komoda | 1993-05-18 |
| 4577385 | Method and apparatus for repairing a wall of coke oven | Yoshihiro Omae, Kunio Ishikawa, Katsushige Yoshida | 1986-03-25 |