Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9034120 | Bearing steel being excellent both in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering | Kiyoshi Uwai | 2015-05-19 |
| 8894779 | Bearing steel being excellent both in post spheroidizing-annealing workability and in post quenching-tempering hydrogen fatigue resistance property | Kiyoshi Uwai | 2014-11-25 |
| 5952126 | Polymer solid electrolyte and lithium secondary cell adopting the same | Doo-yeon Lee, Sang Hyun SUNG, Seok-gwang Doo | 1999-09-14 |
| 5512194 | Acicular ferromagnetic iron oxide particles and process for producing the same | Makoto Ogasawara, Masakazu Yada, Kaoru Sakurai, Kazuya Haga, Masahide Miyashita | 1996-04-30 |