Issued Patents 2019
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514564 | Display unit | Yasunobu Kawasaki, Yuki Takano, Hisanori Tsuboi | 2019-12-24 |
| 10487373 | Steel pipe for line pipe and method of manufacturing the same | Taro OE, Keiichi Kondo, Hiroki Kamitani | 2019-11-26 |
| 10480043 | Seamless steel pipe for line pipe and method for producing the same | Yukimasa Ueda | 2019-11-19 |
| 10443114 | Steel material and oil-well steel pipe | — | 2019-10-15 |
| 10415125 | Thick-wall oil-well steel pipe and production method thereof | Keiichi Kondo, Koji Nagahashi | 2019-09-17 |
| 10407758 | Steel for oil country tubular goods and method of producing the same | Tomohiko Omura, Kaori Kawano, Akihiro Sakamoto, Kazuo Okamura, Kenji Yamamoto +3 more | 2019-09-10 |
| 10392675 | Seamless steel pipe and method for producing the same | Yukimasa Ueda | 2019-08-27 |
| 10287645 | Method for producing high-strength steel material excellent in sulfide stress cracking resistance | Keiichi Kondo | 2019-05-14 |
| 10233520 | Low-alloy steel pipe for an oil well | Atsushi Soma | 2019-03-19 |