Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004679 | Easily-cuttable tunnel segment structure | Toshihiko Yoshizumi, Shinichi Nakata, Fumio Kondoh, Seiichi Satoh, Osamu Ishita +2 more | 2006-02-28 |
| 4897317 | Corrosion resistant Zn-Cr plated steel strip | Tatsuya Kanamaru, Motohiro Nakayama, Katutoshi Arai, Shinichi Suzuki | 1990-01-30 |
| 4877494 | Corrosion resistant plated steel strip and method for producing same | Tatsuya Kanamaru, Motohiro Nakayama, Katutoshi Arai, Shinichi Suzuki | 1989-10-31 |
| 4548685 | Process for electrolytically removing metal deposit from a non-plated surface of a single surface-plated metal strip | Yukimasa Suemitsu, Kazutsugu Nakajima, Hiroo Goshi | 1985-10-22 |