Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344436 | Conveying tool | — | 2025-07-01 |
| 11440125 | Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same | Masatoshi Aratani, Ryoji Matsui, Hiroshi Nakata, Tomonori Kondo | 2022-09-13 |
| 11332812 | Electric resistance welded steel tubes for high-strength thin hollow stabilizers, and methods for manufacturing the same | Masatoshi Aratani, Shinsaku Kokubo, Yoshikazu Kawabata, Ryoji Matsui | 2022-05-17 |
| 11045896 | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same | Shinsaku Kokubo, Kenichi Iwazaki | 2021-06-29 |
| 10369655 | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same | Shinsaku Kokubo, Kenichi Iwazaki | 2019-08-06 |