Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441682 | Piston ring, reciprocating compressor, method for selecting piston ring and method for evaluating life of piston ring | Naofumi Kanei | 2022-09-13 |
| 11079071 | Hydrogen station operation method and hydrogen station | Kenji Nagura | 2021-08-03 |
| 10960344 | Method and apparatus for separating gas by pressure swing adsorption | Tetsuya Ishii, Yoji Fujimori, Kazumi Okada | 2021-03-30 |
| 10837441 | Reciprocating compressor | Ryosuke Yamasaki | 2020-11-17 |
| 10746162 | Compressor | Kenji Nagura, Takayuki Fukuda, Ryosuke Yamasaki | 2020-08-18 |
| 9991058 | Method for manufacturing solar cell | — | 2018-06-05 |
| 9689429 | Method of manufacturing shell type needle roller bearing and manufacturing jig used for manufacturing thereof | — | 2017-06-27 |