Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700414 | Heat-insulating panel serving as concrete form and method of manufacturing the same | Yuukou Ishikawa, Noboru Nishimoto, Michio Ootani, Tooru Tanibe, Kazushige Suzuki | 1997-12-23 |
| 5660775 | Method of treating waste magnetic tapes and method of manufacturing building material boards using the treated material | Shunsai Nagai, Kohei Takanishi | 1997-08-26 |
| 5631075 | Heat-insulating panel serving as concrete form | Yuukou Ishikawa, Noboru Nishimoto, Michio Ootani, Tooru Tanibe, Kazushige Suzuki | 1997-05-20 |