Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074493 | Method of continuously carburizing metal strip | Tsuguhiko Nakagawa, Nobuaki Hanazono, Jun Morozumi, Susumu Satoh, Susumu Okada | 2000-06-13 |
| 5520534 | Heating apparatus including plurality of regenerative burner units and operating method | Tsuguhiko Nakagawa, Yoshiyuki Nakanishi, Motohiro Hirata, Masamitsu Obashi, Yoshio Abe +4 more | 1996-05-28 |