Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954460 | Water-permeable ceramic material | Fumikazu Tanemura, Tohru Honda, Shigetoshi Ohta, Tatsushi Kachi | 1990-09-04 |
| 4849383 | Basic refractory composition | Fumikazu Tanemura, Toru Honda, Katsuhiko Kato, Keisuke Sakakibara | 1989-07-18 |