Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125554 | Threaded joint for oil country tubular goods | Takamasa Kawai, Hiroshi Chikatsune, Masaki Yoshikawa, Jun Takano, Takuya Nagahama +4 more | 2018-11-13 |
| 9982491 | Threaded joint for oil country tubular goods | Takamasa Kawai, Hiroshi Chikatsune, Masaki Yoshikawa, Jun Takano, Takuya Nagahama +1 more | 2018-05-29 |
| 9982815 | Threaded joint for oil country tubular goods | Takamasa Kawai, Hiroshi Chikatsune, Masaki Yoshikawa, Jun Takano, Takuya Nagahama +4 more | 2018-05-29 |
| 9947146 | Information processing system for electric two-wheeled vehicle, electric two-wheeled vehicle, electric equipment unit, and key for electric two-wheeled vehicle | Tomoko Maeda, Kaoru Kudou, Masayuki Fujioka, Keita Sakai, Takashi Ishimura +2 more | 2018-04-17 |