Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992504 | Honeycomb regenerator | Kazuhiko Kumazawa, Wataru Kotani | 1999-11-30 |
| 5456965 | Curved honeycomb structural bodies | Minoru Machida | 1995-10-10 |
| 5455097 | Honeycomb stuctural bodies | Minoru Machida, Toshio Yamada | 1995-10-03 |
| 5393587 | Curved honeycomb structural bodies | Minoru Machida | 1995-02-28 |