Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400210 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Hiroo Ohtani, Kunihiko Yoshikawa | 1983-08-23 |
| 4400211 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Hiroo Ohtani, Kunihiko Yoshikawa | 1983-08-23 |
| 4400349 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Hiroo Ohtani, Kunihiko Yoshikawa | 1983-08-23 |
| 4400209 | Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking | Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Hiroo Ohtani, Kunihiko Yoshikawa | 1983-08-23 |